From bda5fec689914d5a882b64f1bbc5d8c1a05ddb3b Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Fri, 26 Feb 2016 23:30:19 +0600 Subject: Added(A)/Deleted(D) following books A Engineering_Mechanics_by_Khurmi_R.S./chapter10.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter11.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter17.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter2.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter20.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter21.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter28.ipynb A Engineering_Mechanics_by_Khurmi_R.S./chapter7.ipynb A Engineering_Mechanics_by_Khurmi_R.S./screenshots/screenshot1.png A Engineering_Mechanics_by_Khurmi_R.S./screenshots/screenshot2.png A Engineering_Mechanics_by_Khurmi_R.S./screenshots/screenshot3.png --- .../chapter24.ipynb | 495 +++++++++++++++++++++ 1 file changed, 495 insertions(+) create mode 100644 Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb (limited to 'Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb') diff --git a/Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb b/Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb new file mode 100644 index 00000000..6985dc58 --- /dev/null +++ b/Engineering_Mechanics_by_Khurmi_R.S./chapter24.ipynb @@ -0,0 +1,495 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:d91fc2c8a474e3c0069134482e3e16ad6362f5044324f39d0db7cd73f8242369" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 24:Laws of Motion" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.1, Page no.484" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Variable declaration\n", + "m=100 #mass of body in kg\n", + "a=3.5 #acceleration in m/s**2\n", + "\n", + "#calculation\n", + "F=m*a\n", + "\n", + "#Result\n", + "print\"F=\",int(F),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "F= 350 N\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.2, Page no.485" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=50 #mass of body in kg\n", + "g_e=9.8 #acceleration due to gravity on earth in m/s**2\n", + "g_m=1.7 #acceleration due to gravity on moon in m/s**2\n", + "g_s=270.0 #acceleration due to gravity on sun in m/s**2\n", + "\n", + "#calculation\n", + "F_1=m*g_e\n", + "F_2=m*g_m\n", + "F_3=(m*g_s)\n", + "\n", + "#Result\n", + "print\"Weight of the body on the earth, F_1=\",int(F_1),\"N\"\n", + "print\"Weight of the body on the moon, F_2=\",int(F_2),\"N\"\n", + "print\"Weight of the body on the sun, F_3=\",round(F_3/1000,1),\"kN\"\n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Weight of the body on the earth, F_1= 490 N\n", + "Weight of the body on the moon, F_2= 85 N\n", + "Weight of the body on the sun, F_3= 13.5 kN\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.3, Page no.485" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=7.5 #mass of the body in kg\n", + "u=1.2 #velocity in m/s\n", + "F=15 #Force in N\n", + "t=2 #time in s\n", + "\n", + "#calculation\n", + "a=F/m\n", + "v=u+(a*t)\n", + "\n", + "#Result\n", + "print\"Velocity of the body after 2 seconds, v=\",round(v,1),\"m/s\"\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Velocity of the body after 2 seconds, v= 5.2 m/s\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.4, Page no.485" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=500.0 #mass of vehicle in kg\n", + "u=25.0 #initial velocity in m/s\n", + "F=200.0 #Force in N\n", + "t=120.0 #time in s\n", + "\n", + "#calculation\n", + "a=F/m\n", + "v_1=u+(a*t)\n", + "v_2=u+(-a*t) #Force acts in the opposite direction of motion\n", + "\n", + "#Result\n", + "print\"Velocity of vehicle when the force acts in the dirction of motion,v_1=\",int(v_1),\"m/s\"\n", + "print\"Velocity of vehicle when the force acts in the opposite dirction of motion,v_2=\",int(v_2),\"m/s\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Velocity of vehicle when the force acts in the dirction of motion,v_1= 73 m/s\n", + "Velocity of vehicle when the force acts in the opposite dirction of motion,v_2= -23 m/s\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.5, Page no.486" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "F=50.0 #Retarding force in N\n", + "m=20.0 #mass of the body in kg\n", + "u=15 #initial velocity in m/s\n", + "v=0 #final velocity\n", + "\n", + "#calculation\n", + "a=F/m\n", + "t=u/a \n", + "\n", + "#Result\n", + "print\"t=\",int(t),\"s\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "t= 6 s\n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.6, Page no.486" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=2.5 #mass of the car in t\n", + "F=1 #Propelling force in N\n", + "u=10 #initial velocity in m/s\n", + "v=15 #final velocity in m/s\n", + "\n", + "#calculation\n", + "a=F/m\n", + "t=(v-u)/a\n", + "\n", + "#Result\n", + "print\"t=\",round(t,1),\"s\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "t= 12.5 s\n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.7, Page no.486" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=800.0 #mass of electric train in t\n", + "Resistance=80 #Resistance to motion in kN\n", + "Tractive=200 #Tractive force in kN\n", + "v=25 #final velocity in m/s\n", + "u=0 #initial velocity\n", + "\n", + "#calculation\n", + "F=Tractive-Resistance\n", + "a=F/m\n", + "t=(v-u)/a\n", + "\n", + "#Result\n", + "print\"t=\",round(t,1),\"s\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "t= 166.7 s\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.11, Page no.490" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=50 #mass of the body in kg\n", + "a=1.2 #acceleration in m/s**2\n", + "g=9.8 #gravity in m/s**2\n", + "\n", + "#calculation\n", + "F=m*(g+a)\n", + "\n", + "#result\n", + "print\"F=\",int(F),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "F= 550 N\n" + ] + } + ], + "prompt_number": 18 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.12, Page no.490" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=100 #mass of the body in kg\n", + "a=-0.8 #acceleration in m/s**2\n", + "g=9.8 #gravity in m/s**2\n", + "\n", + "#calculation\n", + "F_1=m*(g+a)\n", + "F_2=m*(g-a)\n", + "\n", + "#Result\n", + "print\"(a)The lift is moving upwards, F_1=\",int(F_1),\"N\"\n", + "print\"(b)The lift is moving downwards, F_2=\",int(F_2),\"N\"\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "(a)The lift is moving upwards, F_1= 900 N\n", + "(b)The lift is moving downwards, F_2= 1060 N\n" + ] + } + ], + "prompt_number": 19 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.13, Page no.490" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m=65.0 #mass of the body in kg\n", + "F=800.0 #Force in N\n", + "g=9.8 #gravity in m/s**2\n", + "\n", + "#calculation\n", + "a=(F/m)-g\n", + "\n", + "#Result\n", + "print\"Acceleration of the elevator, a=\",round(a,1),\"m/s**2\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Acceleration of the elevator, a= 2.5 m/s**2\n" + ] + } + ], + "prompt_number": 21 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.14, Page no.490" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "m_1=500 #mass of the elevator in kg\n", + "a=3 #acceleration in m/s**2\n", + "m_2=70 #mass of operator in kg\n", + "\n", + "#calculation\n", + "R_1=m_2*(g+a)\n", + "R_2=(m_1+m_2)*(g+a)\n", + "\n", + "#Result\n", + "print\"Scale Reading,R_1=\",int(R_1),\"N\"\n", + "print\"Total tension in the cable of the elevator, R_2=\",int(R_2),\"N\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Scale Reading,R_1= 896 N\n", + "Total tension in the cable of the elevator, R_2= 7296 N\n" + ] + } + ], + "prompt_number": 22 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 24.18, Page no.495" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#variable declaration\n", + "M=25 #mass of the machine gun in kg\n", + "m=0.03 #mass of the bullet in kg\n", + "v=250 #velocity of firing in m/s\n", + "\n", + "#calculation\n", + "V=(m*v)/M\n", + "\n", + "#Result\n", + "print\"Velocity with which the machine gun will recoil, v=\",round(V,1),\"m/s\"\n", + "\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Velocity with which the machine gun will recoil, v= 0.3 m/s\n" + ] + } + ], + "prompt_number": 23 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit