Added(A)/Deleted(D) following books

 A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10_VppI6PU.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10_eDxglQh.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10_s0rxYmx.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10_u0ZzXNL.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter10_vTLvAsl.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11_2hw19L7.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11_d4LZwNS.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11_orxiKvI.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11_rVPjDNV.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter11_shlSF2D.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12_4NAW2Fm.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12_FfNxDUK.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12_ZDZIhlt.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12_gTfdUW2.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter12_qUFA2gJ.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1_DtcvRnP.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1_Rka6634.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1_cZJsXcd.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1_kdoUcUP.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter1_meY4gNm.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2_3CrecVA.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2_3GOPcRl.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2_3oe48aD.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2_elIpiT6.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter2_svJ0ZRH.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3_5zdARLq.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3_ByttvTe.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3_fzQxngT.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3_maz8Mpx.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter3_yrs8aD8.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4_Cj6lfrp.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4_dkmYc9u.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4_pVrZ16h.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4_rlB25DY.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter4_v0NmXc1.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5_9e9mp4v.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5_P4XexVb.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5_ZzjWlQd.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5_aODGM7T.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter5_hefoBhO.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6_1gnNs9u.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6_3jQe33P.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6_82dKcIb.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6_B9Rqa7w.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter6_sbBGzp3.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7_48wEqkn.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7_4Sf4X8V.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7_K4XC4i4.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7_Lujuudw.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter7_q7uuGrG.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8_5IoMeUe.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8_IAy71Ch.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8_SxldOqQ.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8_nKNv9Wk.ipynb
A  BSc_First_Year_Physics_by_P._BalaBhaskar,_N._Srinivasa_Rao,_B._Sanjeeva_Rao/Chapter8_vmNsUjP.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter10_AzBO5oY.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter10_r6Y8ULo.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter11_SOLVgXg.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter11_dWG3d2Y.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_D0ImquH.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_EeN8oH7.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_Z95iVp3.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_fdbb8ly.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_xobe83Y.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter1_yzunizs.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_42vnHw9.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_F9Bz15n.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_KLSq0oK.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_MoXnaf4.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_mHtlO6a.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter2_xHYwxJ4.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_EZKiqPL.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_VkfH2oR.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_dbMwF5t.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_lB9BZeV.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_phPgJb2.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter3_vhNgss4.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_JAwYggT.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_N9DqFsm.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_P9rwEqr.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_R0XPX4L.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_S0t8OJu.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter4_uFVYXqM.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_24XsJCT.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_8mD0UuG.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_LKhM1Au.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_ZKnRxp7.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_nV0EOp8.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_woQKdAT.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_0a0tZuT.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_5vrvPsl.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_RVkqLSe.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_gyVuqN8.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_jOUBDFo.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter6_otmOyr2.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter8_CCZqXKR.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter8_JTyCJsL.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter9_f3CqV2f.ipynb
A  MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter9_lYxlTcT.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_1aLh7y0.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_2XXGNQt.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_3V8tDtA.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_43oToOV.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_4fqVxcE.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_5XodvPd.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_5alZU29.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_61hsExw.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_6qwmhHU.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_7lzRnr0.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_7pdEUt8.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_96rcQDS.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_986l79d.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_9ErC6RA.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_9Rw4WUL.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_9cwcC1v.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_9dxIAgL.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_9saU825.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_BUWDqRo.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_GefqDaC.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_HyPiW9H.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Jzzhgw5.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Lz458Y6.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_MG81yt8.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_MG8z9eQ.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Oxr9B3A.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Pwqzb8a.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Q7PpTqw.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_SwvijzF.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_UM4ptLd.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_UUIzKI9.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_VJUnpiC.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_VRyICL4.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_VtilP9P.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_XvRiQzf.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_ZgH5gHk.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_Zo9zby0.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_aMuyjoe.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_aOrqAnb.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_aXglZdg.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_b69VCaT.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_bg51CID.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_dsYxoMq.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_eobmuMh.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_fq4RONl.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_gAk3z0j.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_hCfFR8F.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_hK5EJWu.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_iL7yFH3.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_iMZmAfZ.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_ighXyFk.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_jacaAtE.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_ktswPb3.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_l0DVFDN.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_lhKq0fF.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_m7Qc24V.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_nCBI46r.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_oSlKePW.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_pG48gQ4.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_rk3KbDl.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_sns7nwl.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_t48qDiD.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_u1j27Ap.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_vTg4lNU.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_wF4TlOQ.ipynb
A  Physics_For_Students_Of_Science_And_Engineering_Part_2_by_D_Halliday_and_R_Resnick/Cha_xPlbJ6n.ipynb

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diff --git a/MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_8mD0UuG.ipynb b/MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_8mD0UuG.ipynb
new file mode 100644
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+++ b/MECHANICS_OF_SOLIDS_by_S.S._Bhavikatti/Chapter5_8mD0UuG.ipynb
@@ -0,0 +1,774 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Chapter5-FRICTION"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "P= 1250.0 N\n",
+      "P= 1210.36288071 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "Wa=1000.0 #weight of block a\n",
+    "Wb=2000.0  #weight of block b\n",
+    "uab=1.0/4.0   #coefficient of friction between A and B\n",
+    "ubg=1.0/3.0    #coefficient of friction between ground and B\n",
+    "#When P is horizontal\n",
+    "#considering  equilibrium of block A\n",
+    "N1=Wa         #Normal Reaction on block A from block B\n",
+    "F1=uab*N1     #limiting Friction between A and B\n",
+    "T=F1         #tension\n",
+    "#considering  equilibrium of block B\n",
+    "N2=N1+ Wb         #Normal Reaction on block B from Ground\n",
+    "F2=ubg*N2     #limiting Friction between A and ground\n",
+    "P=F1+F2\n",
+    "print \"P=\",P,\"N\"\n",
+    "#When P is inclined at angle o\n",
+    "o=30.0*3.14/180.0\n",
+    "#considering  equilibrium of block A\n",
+    "N1=Wa         #Normal Reaction on block A from block B\n",
+    "F1=uab*N1     #limiting Friction between A and B\n",
+    "T=F1         #tension\n",
+    "#considering  equilibrium of block B\n",
+    "#from\n",
+    "#N2+Psin30=N1+Wb\n",
+    "#Pcos30=F1+F2\n",
+    "#F1=ubg*N2\n",
+    "N2=(N1+Wb-F1*math.tan(o))/(1+ubg*math.tan(o))\n",
+    "P=(N1+Wb-N2)/math.sin(o)\n",
+    "print \"P=\",P,\"N\"\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "29.0693410161 °\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "Wa=300.0 #weight of upper block \n",
+    "Wb=900.0  #weight of lower block \n",
+    "u1=1.0/3.0   #coefficient of friction between upper block and lower block\n",
+    "u2=1.0/3.0    #coefficient of friction between ground and  lower block\n",
+    "#using \n",
+    "#N1=Wacoso          Normal Reaction\n",
+    "#F1=u1*N1           Friction\n",
+    "#N2=Wbcoso+N1\n",
+    "#F2=u2*N2\n",
+    "o=math.atan((u1*Wa+u2*Wb+u2*Wa)/Wb)*180/3.14\n",
+    "print o,\"°\"\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Angle of inclination is  30.0152164356\n",
+      "coefficient of friction is 0.1\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "W=500.0    #weight of block\n",
+    "F1=200.0     #force up the inclined plane when block is moving down\n",
+    "F2=300.0     #force up the inclined plane when block is at rest\n",
+    "#When block starts moving down the plane\n",
+    "#sum of all forces perpendicular to the plane = 0\n",
+    "#N =Wcoso\n",
+    "#sum of all forces parallel to the plane = 0\n",
+    "#Fr+F1=Wsino\n",
+    "#sino-ucoso=F1/w    1\n",
+    "#When block starts moving up the plane\n",
+    "#sum of all forces perpendicular to the plane = 0\n",
+    "#N =Wcoso\n",
+    "#sum of all forces parallel to the plane = 0\n",
+    "#Wsino+Wucoso=F2\n",
+    "#using these equations\n",
+    "o=math.asin((F1*0.5/W)+(F2*0.5/W))   #angle of inclination\n",
+    "print \"Angle of inclination is \",(o*180/3.14)\n",
+    "#using 1\n",
+    "u=math.sin(o)-F1/W\n",
+    "print \"coefficient of friction is\",round(u,3)\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.4"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Angle of Inclination 21.8124674778\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "uag=0.5   #coefficient of friction between block A and the plane\n",
+    "ubg=0.2   #coefficient of friction between block B and the plane\n",
+    "Wb=500.0  #weight of block B\n",
+    "Wa=1000.0  #weight of block A\n",
+    "#Considering equilibrium of block A,\n",
+    "#sum of all forces along the plane is 0\n",
+    "#N1=Wacoso ,Fr=uagN1\n",
+    "#sum of all forces perpendicaular to  the plane is 0\n",
+    "#T=uagWacoso-Wasino\n",
+    "#Considering equilibrium of block A,\n",
+    "#sum of all forces along the plane is 0\n",
+    "#N2=Wbcoso ,Fr=uagN2\n",
+    "#sum of all forces perpendicaular to  the plane is 0\n",
+    "#T=Wbsino-ubgwbsino\n",
+    "o=math.atan((uag*Wa+ubg*Wb)/(Wa+Wb))*180.0/3.14\n",
+    "print \"Angle of Inclination\",o;\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.5"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "853.305553493 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "Wl=750.0  #weight of lower block\n",
+    "Wu=500.0  #weight of upper block\n",
+    "o1=60.0*3.14/180.0   #angle of inclined plane\n",
+    "o2=30.0 *3.14/180.0 # anlge at which pull is applied\n",
+    "u=0.2     #coefficient of friction\n",
+    "#for 750 N block\n",
+    "#Σ Forces normal to the plane = 0 \n",
+    "N1=Wl*math.cos(o1)\n",
+    "F1=u*N1\n",
+    "#Σ Forces parallel to the plane = 0\n",
+    "T=F1+Wl*math.sin(o1)\n",
+    "#Σ Forces horizontal to the plane = 0\n",
+    "P=(T+u*Wu)/(math.cos(o2)+u*math.sin(o2))\n",
+    "print P,\"N\"\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.6"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Least Weight is 266.34090474 N\n",
+      "Greatest Weight is 969.473014916 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "o1=60.0*3.14/180.0    #angle of inclination of plane AC\n",
+    "o2=30.0*3.14/180.0    #angle of inclination of plane BC\n",
+    "Wbc=1000.0  #weight of block on plane BC\n",
+    "ubc=0.28    #coefficient of friction between the load and the plane BC \n",
+    "uac=0.20   #coefficient of friction between the load and the plane AC\n",
+    "#for least weight \n",
+    "N1=Wbc*math.cos(o2)                            #Normal Reaction\n",
+    "F1=ubc*N1                                       #frictional Force\n",
+    "T=Wbc*math.sin(o2)-F1                          #Tension\n",
+    "#for block on plane AC\n",
+    "#N2=Wcoso1\n",
+    "#F2=uac*N2\n",
+    "#T=F2+W sino2\n",
+    "W=T/(uac*math.cos(o1)+math.sin(o1))\n",
+    "print \"Least Weight is\",W,\"N\"\n",
+    "#for greatest weight \n",
+    "N1=Wbc*math.cos(o2)                            #Normal Reaction\n",
+    "F1=ubc*N1                                       #frictional Force\n",
+    "T=Wbc*math.sin(o2)+F1                          #Tension\n",
+    "#for block on plane AC\n",
+    "#N2=Wcoso1\n",
+    "#F2=uac*N2\n",
+    "#T=F2+W sino2\n",
+    "W=T/(-1*uac*math.cos(o1)+math.sin(o1))\n",
+    "print \"Greatest Weight is\",W,\"N\"\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.7"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Weight  10498.172578 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "u=0.4     #The coefficient of friction on the horizontal plane\n",
+    "oi=30     #angle of inclined plane\n",
+    "o=20.0  #The limiting angle of  friction for block B on the inclined plane\n",
+    "wb=5000.0   #weight of block b\n",
+    "ub=math.tan(o*3.14/180.0)            #coefficcient of friction on plane\n",
+    "#for block B\n",
+    "#N1 N2 N3 are normal reaction\n",
+    "#F1 F2  are frictional forces\n",
+    "#F1=ub*N1   \n",
+    "#N1 sinoi + F1 cos oi=wb\n",
+    "N1=wb/(math.sin(oi*3.14/180.0)+ub*math.cos(oi*3.14/180.0))\n",
+    "F1=ub*N1\n",
+    "C=N1*math.cos(oi*3.14/180.0)-F1*math.sin(oi*3.14/180.0)\n",
+    "\n",
+    "#force balance on A in horizontal balance\n",
+    "F2=C\n",
+    "N2=F2/u\n",
+    "#force balance on A in vertical balance\n",
+    "W=N2\n",
+    "print \"Weight \",W,\"N\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.8"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Force = 23812.7516422 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "w=20000.0    #weight of upper block\n",
+    "o=15.0      #The angle of friction for all surfaces of contact\n",
+    "u=math.tan(o)  #coefficient of friction\n",
+    "#R1 R2 are forces\n",
+    "Or1=15.0     #angle force R1 makes with x axis\n",
+    "Or2=35.0       #angle force R2 makes with Y axis\n",
+    "R2=w*math.sin((90-Or1)*3.14/180.0)/math.sin((90+Or1+Or2)*3.14/180.0)\n",
+    "#applyig lamis theorem on block B\n",
+    "Or1=15.0     #angle force R3 makes with Y axis\n",
+    "Or2=35.0       #angle force R2 makes with Y axis\n",
+    "P=R2*math.sin((180-Or1-Or2)*3.14/180.0)/math.sin((90+Or1)*3.14/180.0)\n",
+    "print \"Force =\",P,\"N\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.9"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "P= 66.26 KN\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math \n",
+    "w=160.0    #weight of block,KN\n",
+    "u=0.25             #coefficient of friction\n",
+    "phi=math.atan(u)\n",
+    "\n",
+    "#The free body diagrams of wedges A, B and block C .The problem being symmetric, the reactions R1 and R2 on wedges A and B are equal. The system of forces on block C andon wedge A are shown in the form convenient for applying Lami’s theorem\n",
+    "R1=w*math.sin(math.pi-(16*math.pi/180)-phi)/math.sin(2*(phi+math.pi*16/180))\n",
+    "#consider the equillibrium of the wedge A ,Ny lamis's theorem,we get\n",
+    "P=R1*math.sin(math.pi-phi-phi-(16*math.pi/180))/math.sin((math.pi/2)+phi)\n",
+    "print\"P=\",round(P,2),\"KN\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.10"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Force required is  62.0836173323 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "l=4.0    #length of ladder\n",
+    "u1=0.2    #coefficient of friction between the wall and the ladder\n",
+    "w=200.0   #weight of ladder\n",
+    "u2=0.3    #coefficient of friction between floor and the ladder\n",
+    "wm=600.0     #weight of man\n",
+    "lm=3.0      #distance of man\n",
+    "o=3.14*60.0/180.0   #angle made by ladder with floor\n",
+    "#sum of all moment about A =0\n",
+    "Nb=(w*l/2*math.cos(o)+wm*lm*math.cos(o))/(l*(math.sin(o)+u1*math.cos(o)))     # normal reaction from wall\n",
+    "Fb=u1*Nb     #friction from wall\n",
+    "#force balance in vertical direction\n",
+    "Na=(w+wm-Fb)      # normal reaction from ground\n",
+    "Fa=u2*Na      #friction from ground\n",
+    "P=Nb-Fa\n",
+    "print \"Force required is \",P,\"N\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.11"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Angle of inclination is  71.6013500101 degrees\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "l=6.0    #length of ladder\n",
+    "u1=0.4    #coefficient of friction between the wall and the ladder\n",
+    "w=200.0   #weight of ladder\n",
+    "u2=0.25    #coefficient of friction between floor and the ladder\n",
+    "wl=900.0     #weight of load\n",
+    "ll=5.0      #distance of load\n",
+    "#force balancing\n",
+    "#Na Nb   normal reaction at A and B\n",
+    "#Fa Fb    friction  at A and B\n",
+    "#Fa=u2*Na              \n",
+    "#Fb=u1*Nb\n",
+    "#Na+Fb=w+wl\n",
+    "#Fa=Nb\n",
+    "Nb=(wl+w)*u2/(1+u2*u1)\n",
+    "Na=Nb/u2\n",
+    "Fa=u2*Na\n",
+    "Fb=u1*Nb\n",
+    "#sum of all moments about a is =0\n",
+    "temp=((w*l*0.5)+(wl*ll)-(Fb*l))/(Nb*l)\n",
+    "o=math.atan(temp)*180/3.14\n",
+    "print \"Angle of inclination is \",o,\"degrees\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.12"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "length will 0.5 times\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "o=45.0*3.14/180.0       #angle of inclination \n",
+    "u=0.5                        #coefficient of friction\n",
+    "r=1.5                    #ratio of mans weight to ladders weight\n",
+    "o1=45.0*math.pi/180.0           #angle of inclination\n",
+    "#from law of friction\n",
+    "#Fa = μNa\n",
+    "#Fb = μNb\n",
+    "#Fa – Nb = 0 \n",
+    "#Na + Fb = W + r W\n",
+    "#ΣMA = 0\n",
+    "o=(((u*u+u)*(1+r)/((1+u)))-1.0/2.0)/r\n",
+    "print \"length will\",o,\"times\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.13"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Maximum weight is  6277.60420331\n",
+      "Minimum weight is  57.3467183245\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "n=1.25                 #number of turns\n",
+    "o=2*3.14*n              #angle of contact\n",
+    "u=0.3                 #coefficient of friction\n",
+    "t=600.0                #force at the other end of the rope\n",
+    "#if the impending motion of the weight be downward.\n",
+    "W=T2=t*2.71**(u*o)\n",
+    "print \"Maximum weight is \",W\n",
+    "#if the impending motion of weight be upwards\n",
+    "W=T1=t*2.71**(-1*u*o)\n",
+    "print \"Minimum weight is \",W"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.14"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Weight is  136.9599857 N\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "ur=0.20       #The coefficient of friction  between the rope and the fixed drum\n",
+    "uo=0.30        #The coefficient of friction  between other surfaces\n",
+    "cosa=4.0/5.0 #cos of angle of inclination\n",
+    "sina=3.0/5.0 #sin of angle of inclination\n",
+    "Ww=1000.0  #weight\n",
+    "o=3.14   #angle of contact of rope with pulley\n",
+    "#for unknown weight\n",
+    "#force balance perpendicular to the plane\n",
+    "#N1 = W cos α\n",
+    "#fr=uoN1\n",
+    "#force balance along the plane\n",
+    "#T1 = F1 + W sin α\n",
+    "#for 1000 N body\n",
+    "#force balance perpendicular to the plane\n",
+    "#N2=N1+Wwcosa\n",
+    "#fr2=uoN2\n",
+    "#force balance along the plane\n",
+    "#T2= Wwsina -F1 -F2\n",
+    "#T2=T1*e^(ur*o)\n",
+    "W=(Ww*sina-uo*Ww*cosa)/(((uo*cosa+sina)*(2.71**(uo*o)))+(uo*cosa+uo*cosa))\n",
+    "print \"Weight is \",W,\"N\"\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.15"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "force P applied at the end of the brake lever 274.480678202\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "u=0.3           #coefficient of friction\n",
+    "r=250           #radius of brake drum\n",
+    "l=300            #length of lever arm\n",
+    "M=300000.0      #torque\n",
+    "o=r*3.14/180.0\n",
+    "l2=50.0\n",
+    "#using \n",
+    "#T2 = T1e^(μθ)         T1 and T2 are tension\n",
+    "#(T2-T1)r=M\n",
+    "T1=M/(r*(2.71**(u*o)-1))\n",
+    "T2=(2.71**(u*o))*T1\n",
+    "#Consider the lever arm. Taking moment about the hinge\n",
+    "p=T2*l2/l                     #force P applied at the end of the brake lever\n",
+    "print \"force P applied at the end of the brake lever\",p\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 5.16"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Length of belt is  6972.02507534 mm\n",
+      "Power Transmitted 3252832.96438 Watt\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "d1=500.0         #diameter of a shaft\n",
+    "d2=100.0        #diameter of a shaft\n",
+    "D=3000.0                   #distance between shafts in mm\n",
+    "T=1000.0              #Maximum permissible tension in the belt\n",
+    "U=0.25           #coefficient of friction between the belt and the pulley\n",
+    "R=220.0              #revlution per minute of larger shaft\n",
+    "O1=O2=3.14+2*math.asin((d1+d2)/(2*D))\n",
+    "#Length of belt = Arc length DC + Arc length FE + 2BG\n",
+    "L=(d1/2+d2/2)*O1+2*D*math.cos(math.asin((d1+d2)/(2*D)))\n",
+    "print  \"Length of belt is \",L,\"mm\"\n",
+    "T1=T/(2.71**(U*O1))\n",
+    "Velocity_of_the_belt =d1/2*(R*2*3.14/60.0)\n",
+    "Power_transmitted=(T-T1)*Velocity_of_the_belt\n",
+    "print \"Power Transmitted\",Power_transmitted,\"Watt\"\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "collapsed": true
+   },
+   "source": [
+    "# Example 5.17"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Length of belt is  6955.3382782 mm\n",
+      "Power Transmitted 3035637.41075 Watt\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "d1=500.0         #diameter of a shaft\n",
+    "d2=100.0        #diameter of a shaft\n",
+    "D=3000.0                   #distance between shafts in mm\n",
+    "T=1000.0              #Maximum permissible tension in the belt\n",
+    "U=0.25           #coefficient of friction between the belt and the pulley\n",
+    "R=220.0              #revlution per minute of larger shaft\n",
+    "O1=3.14+2*math.asin((d1-d2)/(2*D))\n",
+    "O2=3.14-2*math.asin((d1-d2)/(2*D))\n",
+    "#Length of belt = Arc length DC + Arc length FE + 2BG\n",
+    "L=(d1/2*O1+d2/2*O2)+2*D*math.cos(math.asin((d1-d2)/(2*D)))\n",
+    "print  \"Length of belt is \",L,\"mm\"\n",
+    "T1=T/(2.71**(U*O2))\n",
+    "Velocity_of_the_belt =d1/2*(R*2*3.14/60.0)\n",
+    "Power_transmitted=(T-T1)*Velocity_of_the_belt\n",
+    "print \"Power Transmitted\",Power_transmitted,\"Watt\"\n",
+    "\n",
+    "\n",
+    "\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python [Root]",
+   "language": "python",
+   "name": "Python [Root]"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.12"
+  }
+ },
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