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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:94517c2408dde85d584b5d77255d753211034926358af32f5ad67824b29060bb"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter1-Tensile Strength"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Ex2-pg13"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "#calculate the \n",
+      "print('MACHINE DESIGN \\n Timothy H. Wentzell, P.E. \\n EXAMPLE-1.2   Page 13 ')   \n",
+      "##Example 1.2\n",
+      "\n",
+      "Sy=61000.                   ##[psi] Tensile strength of AISI 1020 cold drawn steel from Appendix 4 Page no 470\n",
+      "SF=2.;                      ##[] safety factor\n",
+      "F=300.;                     ##[lb] Weight of the ball\n",
+      "L=36.;                      ##[in] Length of round bar\n",
+      "Sy=61000.;                  ##[psi] Tensile strength from Appendix 4\n",
+      "M=F*L;                     ##[in*lb] Bending moment Appendix 2\n",
+      "\n",
+      "Sall=Sy/SF;                ##[psi] Allowable stress \n",
+      "Z=M/Sall;                  ##[in^3] Section modulus for bending Sall=M/Z\n",
+      "D=(32.*Z/math.pi)**(1./3.);        ##[in] Diameter of bar\n",
+      "\n",
+      "##Use 13/8 in bar\n",
+      "D1=1.625;\n",
+      "\n",
+      "print'%s %.2f %s '%('\\n\\n Diameter of Bar is ',D1,' in');\n",
+      "\n",
+      "##Checking Deflection\n",
+      "I=math.pi*D1**4/64.;              ##[in^4] Moment of inertia Appendix 3\n",
+      "E=30.*10**6.;                  ##[lb/in^2] Modulus of elasticity\n",
+      "Delta=F*L**3./(3.*E*I);        ##[in] Deflection \n",
+      "\n",
+      "##Note- In the book I=0.342 in^4 is used instead of I=0.3422814 in^4\n",
+      "\n",
+      "print'%s %.2f %s '%('\\n The deflection of bar is',Delta,' in');\n",
+      "\n",
+      "\n",
+      "##Note: The deviation of answer from the answer given in the book is due to round off error.(In the book values are rounded while in scilab actual values are taken)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "MACHINE DESIGN \n",
+        " Timothy H. Wentzell, P.E. \n",
+        " EXAMPLE-1.2   Page 13 \n",
+        "\n",
+        "\n",
+        " Diameter of Bar is  1.62  in \n",
+        "\n",
+        " The deflection of bar is 0.45  in \n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file