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-{
- "metadata": {
- "name": "chapter23.ipynb"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 23: Kinetics Of Rigid Body:Work And Energy"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 23.23-2,Page No:586"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "# Initilization of variables\n",
- "\n",
- "m=600 # kg # mass of the roller\n",
- "r=0.25 # m # radius of the roller\n",
- "P=850 # N # Force\n",
- "v=3 # m/s # velocity to be acquired\n",
- "theta=30 # degree # angle made by v with the force P\n",
- "\n",
- "# Calculations\n",
- "\n",
- "# The distance required to be rolled is given by equating the Work done between positions 1 & 2 as,\n",
- "x=((0.75)*m*v**2)/(P*cos(theta*(pi/180))) # m\n",
- "\n",
- "# Results\n",
- "\n",
- "print\"The distance required to be rolled is \",round(x,1),\"m\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The distance required to be rolled is 5.5 m\n"
- ]
- }
- ],
- "prompt_number": 3
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file