From 856d4f871db9401d568629b88509a8aaf4c20626 Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Tue, 7 Mar 2017 09:55:18 +0600 Subject: Added(A)/Deleted(D) following books A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_0cfmKH1.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_0vE2Agb.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_1pO6mlQ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_2DVKX4L.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_2tbXSIz.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_4DFRgPd.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_5BlMA37.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_6BpYQtS.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_7oQcI9D.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_7osIJcS.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_BljETDD.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_BrFEmk0.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_Cde70Gn.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_DGhuTd1.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_DnIfPiv.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_Ekp0nuF.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_HETTD7r.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_KlAE574.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_PjpHu09.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_PxZ5uHj.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_Q4fBBjq.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_T4mzLHI.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_UAITY0U.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_VEDuU8Y.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_WUGl4w9.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_a1WJQcD.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_bH5qWgx.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_e3fJkOS.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_eA2iMeu.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_eYNgYIE.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_gBECinX.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_k1gQDvp.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_kA9oA4k.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_kMX1E4Y.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_ludD60G.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_nK3AyHX.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_nbFgz6I.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_qJkWZ89.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_qaQF6hK.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_tuNOeJT.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_vEF8v8F.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_w1kpJlA.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_wmNEbtc.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_x8Hd3Fi.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A._K._Theraja,_B.L_Thereja/c_zAHS5nJ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_2xS3kzU.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_38fwENU.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_5kVbclY.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_7O92CYB.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_7qFSSzO.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_87EQl05.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_8HPcuEd.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ASNXGJK.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_BQB3vIT.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_BdKInur.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_CK1r2By.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_EIfrtvz.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_EnoiEf8.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_GocmY97.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_Gw8rqEI.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_HDB18kP.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_IdqLKrq.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_InkBya3.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_K9q4NLY.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_M6VOIpZ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_MATCOZO.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ObFCoay.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_PD3CwbT.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_PVVeE6Y.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_PdPqoEJ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_QritHDf.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_SUaeUO3.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_TkYEtJb.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_UDdHMGf.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_VZgSOpH.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_Yj265eH.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ZDKRJ4L.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ZyyCtEx.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_dGjHrPW.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_egC1oo4.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_enqQgpr.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_gD58ZqH.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_gETWb31.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_gSjl2uf.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_hnPoOrk.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_hoBkBgf.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_i133Mfc.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_lFaQS0L.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_lsoSAFi.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_n2YSl8Q.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ntrOIw3.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_nxmLE4m.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_qxxk2Xv.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_r9cPZxQ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_tIs0JkF.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_uJFb1kJ.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_uwh7oAV.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_vwGXJQF.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_wA2NdKL.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_wXUDs09.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_x0i8ax0.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_xD8c7xw.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_xKNxc2D.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_ye04nNO.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chap_zy8Cvqw.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter25.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter26.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter27.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter28.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter29.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter30.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter31.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter32.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter33.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter34.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter35.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter36.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter37.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter38.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/chapter39.ipynb A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/screenshots/29.png A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/screenshots/32.png A A_Textbook_of_Electrical_Technology_AC_and_DC_Machines_by_A_K_Theraja_B_L_Thereja/screenshots/5.png A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8.ipynb A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/screenshots/11.png A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/screenshots/22.png A BSc_1st_Year_Physics_by_P._Balabhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/screenshots/33.png A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter1.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter10.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter11.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter12.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter13.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter14.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter15.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter2.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter3.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter4.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter5.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter6.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter7.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter8.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/Chapter9.ipynb A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/11.png A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/22.png A BSc_3rd_Year_Physics(Paper-4)_by_Sanjeeva_Rao,_Bhikshmaiah,_Ramakrishna_Reddy,_Ananta_Ramaiah/screenshots/33.png A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/Chapter01.ipynb A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/Chapter03.ipynb A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/Chapter04.ipynb A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/Chapter05.ipynb A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/screenshots/Ex3.4.png A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/screenshots/Ex4.4.png A Electric_Drives_Concepts_And_Applications_by_Vedam_Subrahmanyam/screenshots/Ex4.8.png A Electronic_Communication_Systems_by_Roy_Blake/Chapter1.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter12.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter13.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter14.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter15.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter16.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter17.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter18.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter19.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter2.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter20.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter21.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter22.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter23.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter24.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter25.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter3.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter4.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter5.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter6.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter7.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter8.ipynb A Electronic_Communication_Systems_by_Roy_Blake/Chapter9.ipynb A Electronic_Communication_Systems_by_Roy_Blake/screenshots/Chapter12.png A Electronic_Communication_Systems_by_Roy_Blake/screenshots/Chapter13.png A Electronic_Communication_Systems_by_Roy_Blake/screenshots/chapter1.png A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER1.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER2.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER3.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER4.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER5.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER6.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER7.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./CHAPTER8.ipynb A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./screenshots/figure1.png A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./screenshots/figure2.png A Engineering_Mechanics:_Statics_&_Engineering_Mechanics:_Dynamics_by_Meriam,_J._L.,_&_Kraige,_L._G./screenshots/figure3.png A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_10_Moments_of_Inertia.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_11__Virtual_Work.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_12_Kinematics_o_KMlkVxo.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_13_Kinetics_of__QCPBknl.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_14_Kinetics_of__nM3MpcX.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_15_Kinetics_of__XnxZDvg.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_16_Planar_Kinem_iVoLBQW.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_17_Planar_Kinet_WgJywgt.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_18_Planar_Kinet_zX8jNLD.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_19_Planar_Kinet_mpYSt47.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_1_General_Principles.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_2_Force_Vectors.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_3_Equilibrium_o_hYESk4B.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_4_Force_System__zCBXq4n.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_5_Equilibrium_o_wA2OXD7.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_6_Structural_Analysis.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_7_Internal_Forces.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_8_Friction.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/Chapter_9_Center_of_Gra_jwxxiZg.ipynb A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/screenshots/plot1.png A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/screenshots/plot2.png A Engineering_Mechanics_(Statics,_Dynamics),_by_Hibler_and_Gupta/screenshots/plot3.png A Engineering_Mechanics_by_R.K_Bansal/chapter_1.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_11.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_12.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_13.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_14.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_15.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_16.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_17.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_18.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_2.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_20.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_3.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_4.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_5.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_6.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_7.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb A Engineering_Mechanics_by_R.K_Bansal/chapter_9.ipynb A Engineering_Mechanics_by_R.K_Bansal/screenshots/bmd1.png A Engineering_Mechanics_by_R.K_Bansal/screenshots/sfd.png A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter10_ljUjU8j.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter11_5r7Matr.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter12.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter1_QhYeq33.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter2_GK3uH9r.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter3_18OmDFC.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter4_fMX8RWT.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter5_2AAnLS8.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter6_lGPDUWp.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter7_Ie2FcUI.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter8_vyeGLD8.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/Chapter9_4YOTRPU.ipynb A Introduction_to_Heat_Transfer_by_S._K._Som/screenshots/9.7_xRDyNJc.png A Introduction_to_Heat_Transfer_by_S._K._Som/screenshots/Ex10.7_G48Lnpj.png A Introduction_to_Heat_Transfer_by_S._K._Som/screenshots/Ex11.4_8WqJsrO.png A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_10_pO7WExy.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_2_FxNgKwZ.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_3_xv1zQ8m.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_4_HtsOENB.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_5_nuHXFeE.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_6_Ffb7zrN.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_7_GmkvL5A.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_8_BLulAvR.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/chapter_9_YALeeEe.ipynb A Strength_Of_Materials_by_S_S_Bhavikatti/screenshots/BMD_dLcLPep.JPG A Strength_Of_Materials_by_S_S_Bhavikatti/screenshots/SFD_1.JPG A Strength_Of_Materials_by_S_S_Bhavikatti/screenshots/SFD_2.JPG A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter1.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter10.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter11.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter12.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter13.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter14.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter15.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter16.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter17.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter18.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter19.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter4.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter5.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter6.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter7.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter8.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/Chapter9.ipynb A The_Elements_of_Physical_Chemistry_by_S._Glasstone/screenshots/Chapter4.png A The_Elements_of_Physical_Chemistry_by_S._Glasstone/screenshots/Chapter5.png A The_Elements_of_Physical_Chemistry_by_S._Glasstone/screenshots/Chapter6.png A "sample_notebooks/Sushovan Jena/Chapter1.ipynb" --- .../chapter_8.ipynb | 1672 ++++++++++++++++++++ 1 file changed, 1672 insertions(+) create mode 100644 Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb (limited to 'Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb') diff --git a/Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb b/Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb new file mode 100644 index 00000000..34abb90c --- /dev/null +++ b/Engineering_Mechanics_by_R.K_Bansal/chapter_8.ipynb @@ -0,0 +1,1672 @@ +{ + "metadata": { + "name": "chapter 8.ipynb" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 8:Friction" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.1,Page No.235" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=100 #N #Weight of Body\n", + "P=F=60 #N #Horizontal Force\n", + "\n", + "#Calculations\n", + "\n", + "#Normal Reaction Force \n", + "R=W=100 #N\n", + "\n", + "#Coefficient of Friction\n", + "mu=F*R**-1 \n", + "\n", + "#Result\n", + "print\"Coefficient of Friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Coefficient of Friction is 0.6\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.2,Page No.236" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=200 #N #Weight of Body\n", + "mu=0.3 #Coefficient of Friction\n", + "\n", + "#Calculations\n", + "\n", + "#Normal Reaction\n", + "R=W=200 #N\n", + "\n", + "#Horizontal Force\n", + "F=mu*R #N\n", + "\n", + "#Result\n", + "print\"Horizontal Force is\",round(F,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Horizontal Force is 60.0 N\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.3,Page No.236" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=50 #N #WEight \n", + "F=15 #N #Force required to pull\n", + "theta=15 #Degree #Angle made by Force\n", + "\n", + "#Calculations\n", + "\n", + "#Normal Reaction\n", + "R=W-F*sin(theta*pi*180**-1) #N\n", + "\n", + "#Coefficient of friction\n", + "mu=F*cos(theta*pi*180**-1)*R**-1 #N\n", + "\n", + "\n", + "#Result\n", + "print\"Coefficient of Friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Coefficient of Friction is 0.31\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.4,Page No.236" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=70 #N #Weight of Body\n", + "F=20 #N #force applied\n", + "theta=20 #degrees #Angle made by Force\n", + "\n", + "#Calculations\n", + "\n", + "#resolving Forces Normal to plane\n", + "R=W+F*sin(20*pi*180**-1) #N\n", + "\n", + "#Resolving Forces along the plane\n", + "mu=F*cos(20*pi*180**-1)*R**-1 #N\n", + "\n", + "#Result\n", + "print\"coefficient of Friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "coefficient of Friction is 0.24\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.5,Page No.237" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "P1=20 #N #pull\n", + "P2=25 #N #Required push\n", + "theta2=25 #Inclination of push\n", + "\n", + "#Calculations\n", + "\n", + "#Case-1 (When body is pulled)\n", + "\n", + "#Resolving Forces along the plane\n", + "#mu*R1=P1*cos(theta*pi*180**-1) #N .........1\n", + "\n", + "#Resolving Force normal to plane\n", + "#R1=W-P1*sin(theta*pi*180**-1) #N \n", + "\n", + "#Sub value of mu*R1 in above Equation we get\n", + "#mu*(W-8.452)=18.126 ......................2\n", + "\n", + "#Case-2 (When body is pushed)\n", + "\n", + "#Resolving Forces along the plane\n", + "#mu*R2=P2*cos(theta2*pi*180**-1) #N .........3\n", + "\n", + "#Resolving Force normal to plane\n", + "#R2=W-P2*cos(theta*pi*180**-1) #N \n", + "\n", + "#Sub value of mu*R2 in above Equation we get\n", + "#mu*(W-10.565)=22.657 .................4\n", + "\n", + "\n", + "#dividing equation 2 by 4 and Further simplifying we get\n", + "\n", + "#Weight of body\n", + "W=383*4.53**-1\n", + "\n", + "#Sub value of W in Equation 2\n", + "mu=18.126*(W-8.452)**-1 \n", + "\n", + "\n", + "#Result\n", + "print\"Weight of Body is\",round(W,2),\"N\"\n", + "print\"Coefficient of Friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Weight of Body is 84.55 N\n", + "Coefficient of Friction is 0.24\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.7,Page No.239" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=1000 #N #Weight of stone Block\n", + "mu=0.6 #Coefficient of Friction\n", + "theta=20 #Degrees #Angle with Horizontal\n", + "\n", + "#Calculations\n", + "\n", + "#PArt-1\n", + "#resolving Horizontal Forces\n", + "#P*cos(theta)=mu*R ...........................1\n", + "\n", + "#Resolving Verticla Forces\n", + "#R+P*sin(theta)=W .............................2\n", + "\n", + "#Sub value of P from equation 2,we get\n", + "P=mu*W*(cos(theta*pi*180**-1)+mu*sin(theta*pi*180**-1))**-1 #N ........3\n", + "\n", + "#PArt-2\n", + "#Let phi=Angle of Friction\n", + "\n", + "#Form Equation 3 ,angle 20 is replaced by angle phi\n", + "#Force required to pull the body\n", + "#P2=mu*W*(cos(phi)+mu*sin(phi))**-1\n", + "\n", + "#The Force P will be min if Dericative of (cos(phi)+mu*sin(phi)) is equal to zero\n", + "phi=arctan(mu)*(180*pi**-1) #degrees\n", + "\n", + "#Force required to pull the body\n", + "P2=mu*W*(cos(phi*pi*180**-1)+mu*sin(phi*pi*180**-1))**-1 #N\n", + "\n", + "#Result\n", + "print\"Minimum Pull necessary is\",round(P,2),\"N\"\n", + "print\"Pull Required if inclination of rope is equal to angle of friction\",round(P,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Minimum Pull necessary is 524.06 N\n", + "Pull Required if inclination of rope is equal to angle of friction 524.06 N\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.11,Page No.241" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=500 #N #weight of Body\n", + "P=350 #N #Force applied\n", + "alpha=30 #Degrees #Inclination\n", + "\n", + "#Calculations\n", + "\n", + "#Resolving Weights\n", + "W1=W*sin(30*pi*180**-1) #N\n", + "W2=W*cos(30*pi*180**-1) #N\n", + "\n", + "#Resolving Forces Vertically\n", + "#R=W*cos(30)\n", + "\n", + "#Resolving Forces Horizontally\n", + "mu=(P-W*sin(alpha*pi*180**-1))*(W*cos(alpha*pi*180**-1))**-1 \n", + "\n", + "\n", + "#Result\n", + "print\"Coefficient Of Friction\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Coefficient Of Friction 0.23\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.12,Page No.246" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=450 #N #Weight of Body\n", + "alpha=30 #Degrees #Inclination of plane\n", + "mu=0.25 #coefficient of friction\n", + "d=10 #m #Distance travelled by body\n", + "\n", + "#Calculations\n", + "\n", + "#Resolving Force normal to plane\n", + "R=W*cos(alpha*pi*180**-1)\n", + "\n", + "#Resolving Forces along the plane\n", + "P=W*sin(alpha*pi*180**-1)+mu*R #N\n", + "\n", + "#Work done on the body\n", + "W=P*d #J\n", + "\n", + "#Result\n", + "print\"Force required is\",round(P,2),\"N\"\n", + "print\"Work done is\",round(W,2),\"J\" " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Force required is 322.43 N\n", + "Work done is 3224.28 J\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.13,Page No.246" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "#Case-1\n", + "P1=200 #N #Force applied\n", + "theta1=15 #Degrees #Inclination\n", + "\n", + "P2=230 #N #Force applied\n", + "theta2=20 #Degrees #Inclination\n", + "\n", + "#Calculations\n", + "\n", + "#For Case-1,\n", + "\n", + "#W1=W*sin(theta1*pi*180**-1) #N\n", + "#W2=W*cos(theta1*pi*180**-1) #N\n", + "\n", + "#Resolving Forces Vertically\n", + "#R=W2\n", + "\n", + "#Resolving Foces Horizontally\n", + "#mu*W2+W1=P1 .......................1\n", + "\n", + "#For case-2\n", + "\n", + "#W3=W*sin(theta2*pi*180**-1) #N\n", + "#W4=W*cos(theta2*pi*180**-1) #N\n", + "\n", + "#Resolving Forces Vertically\n", + "#R=W3\n", + "\n", + "#Resolving Foces Horizontally\n", + "#mu*W3+W4=P2 .......................2\n", + "\n", + "#After sub values inequations 1 & 2 and dividing equations 2 by 1 we get\n", + "mu=mu=(P1*sin(20*pi*180**-1)-P2*sin(15*pi*180**-1))*(P2*cos(15*pi*180**-1)-P1*cos(20*pi*180**-1))**-1 \n", + "\n", + "#weight of Body\n", + "W=P2*(sin(theta2*pi*180**-1)+mu*cos(theta2*pi*180**-1))**-1 #N\n", + "\n", + "#Result\n", + "print\"Weight of Body is\",round(W,2),\"N\"\n", + "print\"Coefficient of Friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Weight of Body is 392.68 N\n", + "Coefficient of Friction is 0.26\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.15,Page No.249" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=15 #N #Weight of Block\n", + "T=5 #N #Tension in string\n", + "alpha=45 #Degrees #Inclination\n", + "\n", + "#Calculations\n", + "\n", + "#Frictional Foce on Block\n", + "F=-(T*cos(alpha*pi*180**-1)-W*sin(alpha*pi*180**-1)) #N\n", + "\n", + "#Normal Reaction of inclined plane\n", + "R=(W*cos(alpha*pi*180**-1)+T*sin(alpha*pi*180**-1)) #N\n", + "\n", + "#Coefficient of friction \n", + "mu=F*R**-1 \n", + "\n", + "#Result\n", + "print\"Frictional Force on Block is\",round(F,2),\"N\"\n", + "print\"Normal Reaction of inclined plane\",round(R,2),\"N\"\n", + "print\"Coefficient of friction\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Frictional Force on Block is 7.07 N\n", + "Normal Reaction of inclined plane 14.14 N\n", + "Coefficient of friction 0.5\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.16,Page No.250" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "mu_s=0.4 #Coefficient of static Friction\n", + "mu_k=0.3 #Coefficient of Kinetic friction\n", + "M=40 #Kg #MAss of body\n", + "g=9.81 #acceleration due to gravity\n", + "W=M*g #N\n", + "theta=40 \n", + "alpha=30 #Inclination\n", + "P=800 #N\n", + "\n", + "#Calculations\n", + "\n", + "#normal Reaction \n", + "R=P*sin(theta*pi*180**-1)+M*g*cos(alpha*pi*180**-1) #N\n", + "\n", + "#Max Frictional Force\n", + "F=mu_s*R #N\n", + "\n", + "#Total Force along plane\n", + "F=P*cos(theta*pi*180**-1)-M*g*sin(alpha*pi*180**-1) #N\n", + "\n", + "#Magntude of Frictional Force\n", + "F2=mu_k*R #N\n", + "\n", + "#Result\n", + "print\"Magnitude of Friction Force\",round(F2,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Magnitude of Friction Force 256.22 N\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.17,Page No.252" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=30 #N #Weight acting vertically downward\n", + "P2=6 #N #Force at angle of 30 with inclined plane\n", + "theta=30 #Degrees #Inclination of force with the inclined plane\n", + "mu=0.3 #Coefficient of friction\n", + "\n", + "#Calculations\n", + "\n", + "#Part-1\n", + "\n", + "#Reaction Force is given by\n", + "#R=W*cos(alpha)-P2*sin(theta)\n", + "\n", + "#Now resolving Force we get\n", + "alpha=arcsin(P2*cos(theta*pi*180**-1)*W**-1)\n", + "alpha2=180*pi**-1*alpha #degrees\n", + "\n", + "#PArt-2\n", + "\n", + "#resolving Forces normal to inclined plane\n", + "R=W*cos(round(alpha2,2)*pi*180**-1) #N\n", + "\n", + "#Resolving Forces normal to inclined plane\n", + "P1=W*sin(round(alpha2,2)*pi*180**-1)+mu*round(R,2)\n", + "\n", + "#Result\n", + "print\"Force required to move a load 30 N up a rough plane is\",round(P1,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Force required to move a load 30 N up a rough plane is 14.06 N\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.18,Page No.253" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W1=400 #N #Weight of first body\n", + "W2=800 #N #Weight of second body\n", + "mu1=0.15 #Coefficient of friction of first body\n", + "mu2=0.40 #Coefficient of friction of seconnd body\n", + "\n", + "#Calculations\n", + "\n", + "#Forces acting on the first body\n", + "\n", + "#Resolving force along plane\n", + "#W1*sin(alpha)=T+mu1*R1 ............................1\n", + "\n", + "#Resolving Forces normal to plane\n", + "#W1*cos(alpha)=R1\n", + "\n", + "#Sub value of R1 in equation1,we get\n", + "#T=400*sin(alpha)-60*cos(alpha) .......................2\n", + "\n", + "#Forces on second body\n", + "\n", + "#Resolving forces along the plane\n", + "#W2*sin(alpha)+T=mu2*R2 .........................3\n", + "\n", + "#Resolving forces normal to plane\n", + "#R2=W2*cos(alpha)\n", + "\n", + "#sub value of R2 in equation3\n", + "#T=320*cos(alpha)-W2*sin(alpha) ...............4\n", + "\n", + "#Equating values of T,given by equation 2 and 3\n", + "#W1*sin(alpha)-60*cos(alpha)=320*cos(alpha)-W2*sin(alpha)\n", + "#Further simplifying we get\n", + "alpha=arctan(380*1200**-1)*(180*pi**-1) #Degrees\n", + "\n", + "#Sub value of alpha in equation 2\n", + "T=W1*sin(round(alpha,2)*pi*180**-1)-60*cos(round(alpha,2)*pi*180**-1)\n", + "\n", + "#Result\n", + "print\"Inclination of the plane to the horizontal is\",round(alpha,2),\"Degrees\"\n", + "print\"Tension in the cord is\",round(T,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Inclination of the plane to the horizontal is 17.57 Degrees\n", + "Tension in the cord is 63.55 N\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.19,Page No.255" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W_B=1500 #N #Weight of block B\n", + "mu_A=0.25 #Coefficint of friction of block A\n", + "mu_B=0.35 #Coefficient of Friction of block B\n", + "alpha=60 #Degrees\n", + "\n", + "#Calculations\n", + "\n", + "#BLock A\n", + "#F_A=mu_A*W_A #Force of friction\n", + "\n", + "#Block B\n", + "#HOrizontal Force of friction of block A is transmitted through rod to block B\n", + "\n", + "#Force of friction of block B\n", + "#F_B=mu2*R_B\n", + "\n", + "#Resolving Horizontal Forces\n", + "#mu1*W_A+F_B*cos(alpha)=R_B*cos(30)\n", + "#After further simplifying we get\n", + "#mu_A*W_A=0.691*R_B ...........................1\n", + "\n", + "#Resolving Forces vertically\n", + "#R_B*sin(30)+F_B*sin(alpha)=W_B\n", + "#After further simplifying we get\n", + "R_B=W_B*0.803**-1 #N\n", + "\n", + "#Sub value of R_b in equation 1 we get\n", + "W_A=0.691*R_B*mu_A**-1\n", + "\n", + "#Result\n", + "print\"Smallest Weight of Block A is\",round(W_A,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Smallest Weight of Block A is 5163.14 N\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.20,Page No.257" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables \n", + "\n", + "W_A=100 #N Weight of block A\n", + "W_B=300 #N #Weight of block B\n", + "alpha=45 #Degrees #Inclination of plane\n", + "phi=30 #Degrees #Inclination of rigid bar with horizontal \n", + "mu=tan(15*pi*180**-1) #Degrees\n", + "\n", + "#Calculations\n", + "\n", + "#LEt R_A and R_B be the reactions at A And B respectively and t be the thrust in rod\n", + "\n", + "#Equilibrium of bLoack A\n", + "#Resolving forces along plane\n", + "#W_A*sin(alpha)+F_A=T*cos(15)\n", + "#After further simplifying we get\n", + "#70.7+0.2679*R_A=0.969*T .................1\n", + "\n", + "#Resolving force snormal to plane\n", + "#R_A=W_A*cos(alpha)+T*sin(15)=R_A\n", + "\n", + "#Now sub value of R_A in equation 1 we get\n", + "#70.7+0.269*(100*0.707+T*0.2588)=0.9659*T\n", + "#After further simplifying we get\n", + "T=89.64*0.8966**-1 #N\n", + "\n", + "#Equilibrium of block B\n", + "#Resolving forces normal to plane\n", + "R_B=W_B+T*sin(phi*180**-1*pi)\n", + "#Resolving forces along plane\n", + "P=T*cos(phi*pi*180**-1)+mu*R_B\n", + "\n", + "#Result\n", + "print\"HOrizontal Force required to be apllied to block B to just move block A is\",round(P,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "HOrizontal Force required to be apllied to block B to just move block A is 180.36 N\n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.21,Page No.258" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "mu=0.2 #Coefficient of friction\n", + "W1=100 #N #weight of Block1\n", + "W2=150 #N #Weight of Block2\n", + "theta=60 #Degrees\n", + "\n", + "#Calculations\n", + "\n", + "#Case-1\n", + "\n", + "#Reaction Force \n", + "R=W2*cos(theta*pi*180**-1) #N\n", + "\n", + "#Tension in the string\n", + "T=W2*sin(theta*pi*180**-1)+mu*R #N\n", + "\n", + "#Case-2\n", + "\n", + "theta2=arctan(mu)*(pi**-1*180) #Angle made by Force with horizontal acting on block 1\n", + "\n", + "#Force on block with weight 100 N\n", + "P=164.9*((cos(theta2*pi*180**-1)+mu*sin(theta2*pi*180**-1))**-1)\n", + "\n", + "#Result\n", + "print\"Least Value of Force P to cause motion to impend rightwards is\",round(P,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Least Value of Force P to cause motion to impend rightwards is 161.7 N\n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.22,Page No.260" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W1=90 #N #Weight of Block 1\n", + "W2=30 #N #Weight of Block2\n", + "mu=1*3**-1 #Coefficient of friction\n", + "\n", + "#Calculations\n", + "\n", + "#Considering Equilibrium of weight W2\n", + "\n", + "#Tension in the string\n", + "#T=W2*sin(theta)+mu*R1 .....................................1\n", + "\n", + "#Normal reaction to the plane\n", + "#R1=W2*cos(theta) .......................................2\n", + "\n", + "#Sub value of R1 in equation 1 we get\n", + "#T=W2*sin(theta)+10*cos(theta) ........................3\n", + "\n", + "#Considering Equilibrium of weight W1\n", + "\n", + "#Resolving Forces along the plane\n", + "#W1*sin(theta)=10*cos(theta)+mu*R2 ..................4\n", + "\n", + "#Resolving Forces normal to plane\n", + "#R2=120*cos(theta) ...........5\n", + "\n", + "#Sub value of R2 in equation 4 we get\n", + "theta=arctan(0.5555)*(pi**-1*180) #Degrees\n", + "\n", + "#Result\n", + "print\"Value of angle theta should be\",round(theta,2),\"degrees\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Value of angle theta should be 29.05 degrees\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.23,Page No.262" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "L_AC=10 #m #Length of AC\n", + "L_BC=8 #m #Length of BC\n", + "W=20 #N #weight \n", + "\n", + "#Calculations\n", + "\n", + "L_AB=(L_AC**2-L_BC**2)**0.5 #m #Length of AB\n", + "L_CD=L_BC*2**-1 #m\n", + "\n", + "#Now Resolving Forces\n", + "\n", + "#Vertically\n", + "#Reaction Force at C\n", + "R_C=W #N\n", + "\n", + "#Horizontally\n", + "#R_A=F_C=mu*R_C \n", + "\n", + "#Taking Moment at pt C\n", + "#Coefficient of friction \n", + "mu=W*L_CD*(R_C*L_AB)**-1 \n", + "\n", + "#Frictional Force acting at C\n", + "F_C=round(mu,2)*R_C #N\n", + "\n", + "#Result\n", + "print\"Coefficient of Friction\",round(mu,2)\n", + "print\"Frictional Force acting at pt C\",round(F_C,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Coefficient of Friction 0.67\n", + "Frictional Force acting at pt C 13.4 N\n" + ] + } + ], + "prompt_number": 18 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.24,Page No.263" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "L_AB=13 #m #Length of AB\n", + "W=25 #N #weight of Ladder\n", + "L_AC=5 #m #Distance of lower ladder from wall\n", + "mu=0.3 #Coefficient of friction\n", + "\n", + "#Calculations\n", + "\n", + "#Forces on the ladder \n", + "\n", + "#Vertical Forces\n", + "R_A=W #N\n", + "\n", + "#Horizontal Forces\n", + "R_B=F_A=mu*R_A #N\n", + "\n", + "#MAx amount of frictional Force availale at A\n", + "F_A #N\n", + "\n", + "L_AD=L_CD=2.5 #m #Length of AD and CD\n", + "L_BC=(L_AB**2-L_AC**2)**0.5 #m\n", + "\n", + "#Moment at pt A\n", + "R_B2=R_A*L_AD*L_BC**-1 #N\n", + "\n", + "#Horizontal Forces\n", + "F_A2=R_B2 #N\n", + "\n", + "#Result\n", + "print\"Frictional Force acting on ladder is\",round(F_A,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Frictional Force acting on ladder is 7.5 N\n" + ] + } + ], + "prompt_number": 19 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.25,Page No.264" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "L_AB=14 #m #Length of AB\n", + "W=600 #N #weight of Ladder\n", + "L_AD=8 #m #Distance of lower ladder from wall\n", + "L_BD=6 #m #LEngth of BD\n", + "mu=1*3**-1 #Coefficient of friction\n", + "CBA=60 #Degrees\n", + "\n", + "#Calculations\n", + "\n", + "#Resolving forces\n", + "\n", + "#Vertically\n", + "R_B=W #N\n", + "#Actual Force of friction at pt B\n", + "F_B=mu*R_B #N\n", + "\n", + "\n", + "#Horizontally\n", + "R_A=F_B #N\n", + "\n", + "\n", + "L_BE=L_BD*cos(CBA*pi*180**-1) #m\n", + "L_AC=L_AB*sin(CBA*pi*180**-1) #m\n", + "\n", + "R_A2=R_B*L_BE*L_AC**-1\n", + "F_B2=R_A2 #N\n", + "\n", + "\n", + "#Result\n", + "print\"Force available at B the force required force for equilibrium,the ladder will be stable:F_B is\",round(F_B,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Force available at B the force required force for equilibrium,the ladder will be stable:F_B is 200.0 N\n" + ] + } + ], + "prompt_number": 20 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.26,Page No.265" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=850 #N #Weight of ladder\n", + "L=L_AB=6 #m #Length of AB\n", + "alpha=65 #Degrees #Angle made by ladder with ladder\n", + "W1=750 #N #Weight of man\n", + "L1=4 #m #Distance of man from top of ladder\n", + "L2=L-L1 #m #Distance of man form foot of ladder\n", + "L_BE=4 #m #Length of BE\n", + "\n", + "#Calculations\n", + "\n", + "#Forces acting on the ladder\n", + "\n", + "#Resolving Forces Vertically\n", + "R_A=W+W1 #N\n", + "\n", + "#Horizontally\n", + "#R_B=F_A=mu*R_A #N\n", + "\n", + "L_BC=L_AB*sin(alpha*pi*180**-1) #m #Length of BC\n", + "L_AC=L_AB*cos(alpha*pi*180**-1) #m #Length of AC\n", + "\n", + "L_AD=L_AC*2**-1 #m #Length of AD\n", + "L_AH=(L_AB-L_BE)*cos(alpha*pi*180**-1) #m\n", + "\n", + "#Coefficient of friction\n", + "mu=(W1*L_AD+W*L_AH)*(L_BC*R_A)**-1\n", + "\n", + "#Result\n", + "print\"Coefficient of friction is\",round(mu,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Coefficient of friction is 0.19\n" + ] + } + ], + "prompt_number": 21 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.27,Page No.266" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=200 #N #Weight of ladder\n", + "L=L_AB=4.5 #m\n", + "mu=0.4 #Coefficient of friction between ladder and floor\n", + "mu2=0.2 #coefficient of frictionbetween LAdder and wall\n", + "W1=900 #N #Weight on ladder \n", + "L_BE=1.2 #m #distance\n", + "\n", + "#Calculations\n", + "\n", + "#FOrces acting on ladder\n", + "\n", + "#Resolving FOrces Vertically\n", + "#R_A+F_B=W1+W #N ................1\n", + "\n", + "#Horizontally\n", + "#R_B=mu*R_A .....................2\n", + "\n", + "#Resolving Force R_B in equation 1 we get\n", + "R_A=(W1+W)*1.08**-1 #N\n", + "\n", + "#Reaction at B\n", + "R_B=mu*R_A #N\n", + "\n", + "#Moment at pt A\n", + "#W*L_AD+W1*L_AH=R_B*L_BC+F_B*L_AC\n", + "#After further simplifying we get\n", + "alpha=arctan(1.665)*(180*pi**-1)\n", + "\n", + "#Result\n", + "print\"Angle made by ladder with Horizontal\",round(alpha,2),\"Degrees\"\n", + "print\"Reaction at the Foot of ladder\",round(R_A,2),\"N\"\n", + "print\"Reaction at the Foot top of ladder\",round(R_B,2),\"N\"\n", + "\n", + "#Value of alpha is incorrect in book i.e 59degree 65seconds" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Angle made by ladder with Horizontal 59.01 Degrees\n", + "Reaction at the Foot of ladder 1018.52 N\n", + "Reaction at the Foot top of ladder 407.41 N\n" + ] + } + ], + "prompt_number": 22 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.28,Page No.267" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "L=5 #m #Length of ladder\n", + "alpha=30 #Degrees #Angle made by ladder with horizontal\n", + "W1=250 #N #weight of ladder\n", + "W2=800 #N #weight of man\n", + "mu=0.2 #Coefficinet of friction \n", + "L_AG=5*2**-1 #m\n", + "\n", + "#Calculations\n", + "\n", + "#Let R_A and R_B be the reactions at A and b respectively\n", + "#F_B=mu*R_B\n", + "#F_A=mu*R_A\n", + "\n", + "#Resolving forces vertically\n", + "#R_A+F_B=W1+W2 .............1\n", + "\n", + "#Resolving forces horizontally\n", + "#R_B=0.2*R_A.....................2\n", + "\n", + "#After sub values and further simplifying we get\n", + "R_A=1050*1.04**-1 #N\n", + "\n", + "#Sub value of R_A in equation 2 we get\n", + "R_B=0.2*R_A\n", + "\n", + "#Triangle AGD\n", + "L_AD=L_AG*cos(60*pi*180**-1)\n", + "\n", + "#TRiangle AEH\n", + "#L_AH=x*cos(60) \n", + "\n", + "L_BC=L*cos(alpha*pi*180**-1)\n", + "L_AC=L*cos(60*pi*180**-1)\n", + "\n", + "F_B=mu*R_B\n", + "\n", + "#Taking moment at A\n", + "#W2*x*2**-1+W*L_AD=R_B*L_BC+F_B*L_AC\n", + "#After sub values and further simplifying we get\n", + "x=66.276*40**-1\n", + "\n", + "\n", + "#Result\n", + "print\"The slipping will be induced at\",round(x,2),\"m\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The slipping will be induced at 1.66 m\n" + ] + } + ], + "prompt_number": 23 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.29,Page No.271" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "alpha=10 #Degrees #Angle of Wedge\n", + "W=1500 #N #weight of Block\n", + "mu=0.3 #Coefficient of friction\n", + "phi=arctan(mu)*(180*pi**-1)\n", + "\n", + "#Calculations\n", + "\n", + "#Applying Lamis theorem to the point O\n", + "#W*(sin(2*phi+90+alpha))**-1=R3*(sin(180-(alpha+phi)))**-1=R2*(sin(90-phi))**-1\n", + "#After further simplifying we get\n", + "Y=180-(alpha+phi)\n", + "Z=sin(Y*pi*180**-1)\n", + "Y1=2*phi+90+alpha\n", + "Z1=sin(Y1*pi*180**-1)\n", + "R3=W*(Z)*(Z1)**-1 #N\n", + "\n", + "Y2=90-phi\n", + "Z2=sin(Y2*pi*180**-1)\n", + "R2=W*Z2*Z1**-1 #N\n", + "\n", + "#Applying Lamis theorem to the point L\n", + "#R1*sin(90+alpha+phi)**-1=R2*sin(90+phi)**-1=P*sin(180-2*phi-alpha)**-1\n", + "#After further simplifying we get\n", + "Y3=180-(2*phi+alpha)\n", + "Z3=sin(Y3*pi*180**-1)\n", + "P=Z3*R2*Z2**-1 #N\n", + "\n", + "\n", + "#Result\n", + "print\"Minimum Horizontal force be applied on wedge to raise the block is\",round(P,2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Minimum Horizontal force be applied on wedge to raise the block is 1418.4 N\n" + ] + } + ], + "prompt_number": 24 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.30,Page No.277" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "D=0.1 #m #Diameter\n", + "R=0.05 #m #Radius\n", + "N=150 #r.p.m \n", + "mu=0.05 #Coefficient of friction\n", + "W=15*10**3 #N #Load\n", + "\n", + "#Calculations\n", + "\n", + "#Power Loast in friction assuming uniform pressure\n", + "T=2*3**-1*mu*W*R #N*m\n", + "\n", + "#Power Lost in Friction\n", + "P=2*pi*N*T*60**-1 #W\n", + "\n", + "#Power Lost in friction assuming wear\n", + "T2=0.5*mu*W*R #W\n", + "\n", + "#Power Lost in friction\n", + "P2=2*pi*N*T2*60**-1 #W\n", + "\n", + "#Result\n", + "print\"Power Loast in friction assuming uniform pressure is\",round(P,2),\"W\"\n", + "print\"Power Lost in friction assuming wear is\",round(P2,2),\"W\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Power Loast in friction assuming uniform pressure is 392.7 W\n", + "Power Lost in friction assuming wear is 294.52 W\n" + ] + } + ], + "prompt_number": 25 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.31,Page No.282" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "alpha=60 #Degrees\n", + "D=0.3 #m #Diameter of shaft\n", + "R=0.15 #m #Radius of shaft\n", + "W=20*10**3 #N\n", + "N=210 #r.p.m\n", + "\n", + "\n", + "#Calculations\n", + "\n", + "#Frictional Torque\n", + "T=2*3**-1*mu*W*R*(sin(alpha*pi*180**-1))**-1 #N*m\n", + "\n", + "#Power Lost in Friction for uniform pressure\n", + "P=2*pi*N*T*60**-1*10**-3 #KW\n", + "\n", + "#Power Loast in friction for uniform wear\n", + "T2=1*2**-1*mu*W*R*(sin(alpha*pi*180**-1))**-1 #N*m\n", + "\n", + "#Power Lost\n", + "P2=2*pi*N*T2*60**-1*10**-3 #KW\n", + "\n", + "#Result\n", + "print\"Power Lost in Friction assuming:Uniforming pressure\",round(P2,2),\"KW\"\n", + "print\" :Uniform wear\",round(P2,2),\"KW\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Power Lost in Friction assuming:Uniforming pressure 1.9 KW\n", + " :Uniform wear 1.9 KW\n" + ] + } + ], + "prompt_number": 26 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.32,Page No.283" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "W=25*10**3 #N #load\n", + "alpha=60 #degrees \n", + "p=350*10**3 #N/m**2 #pressure\n", + "N=180 #r.p.m\n", + "mu=0.05 \n", + "#r1*2*r2\n", + "\n", + "#Calculations\n", + "\n", + "#From Equation of uniform pressure\n", + "r2=(W*(pi*p*3)**-1)**0.5 #m\n", + "r1=2*r2 #m\n", + "\n", + "#Frictional Torque\n", + "T=2*3**-1*mu*W*(sin(alpha*pi*180**-1))**-1*(r1**3-r2**3)*(r1**2-r2**2)**-1 #m\n", + "\n", + "#Power absorbed in friction\n", + "P=2*pi*N*T*60**-1*10**-3 #KW\n", + "\n", + "#Result\n", + "print\"Power absorbed in friction\",round(P,2),\"KW\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Power absorbed in friction 3.68 KW\n" + ] + } + ], + "prompt_number": 27 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.33,Page No.286" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "r1=0.25 #m #External Radius\n", + "r2=0.15 #m #Internal Radius\n", + "W=50*10**3 #N #Total axial load\n", + "mu=0.05 #Coefficient of friction\n", + "N=150 #r.p.m\n", + "\n", + "#Calculations\n", + "\n", + "#Torque\n", + "T=2*3**-1*mu*W*((r1**3-r2**3)*(r1**2-r2**2)**-1) #N*m\n", + "\n", + "#Power lost in Frction\n", + "P=2*pi*N*T*60**-1*10**-3 #KW \n", + "\n", + "#Result\n", + "print\"Power lost in Frction is\",round(P,2),\"KN\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Power lost in Frction is 8.02 KN\n" + ] + } + ], + "prompt_number": 28 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 8.34,Page No.287" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#Declaration Of Variables\n", + "\n", + "r1=0.21 #m #External Radius\n", + "r2=0.16 #m #Internal Radius\n", + "W=60*10**3 #N #Total axial load\n", + "mu=0.05 #Coefficient of friction\n", + "N=380 #r.p.m\n", + "p=350*10**3 #N/m**2 #Intensity of pressure\n", + "\n", + "#Calculations\n", + "\n", + "#Power Loast in Overcoming friction\n", + "\n", + "#Torque\n", + "T=2*3**-1*mu*W*((r1**3-r2**3)*(r1**2-r2**2)**-1) #N*m\n", + "\n", + "P=2*pi*N*T*60**-1*10**-3 #KW \n", + "\n", + "#Number of collars required\n", + "\n", + "#Load per collar\n", + "W2=p*pi*(r1**2-r2**2)\n", + "\n", + "n=W*W2**-1\n", + "\n", + "#Result\n", + "print\"Power Loast in Overcoming friction is\",round(P,2),\"KW\"\n", + "print\"Number of collars required for the thrust\",round(n,1)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Power Loast in Overcoming friction is 22.22 KW\n", + "Number of collars required for the thrust 2.9\n" + ] + } + ], + "prompt_number": 10 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit