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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
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file