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+//CHAPTER 6 ILLUSRTATION 3 PAGE NO 176
+//TITLE:Turning Moment Diagram and Flywheel
+clc
+clear
+pi=3.141
+d=38//              diameter of hole in cm
+t=32//              thickness of hole in cm
+e1=7//                energy required to punch one square mm
+V=25//                mean speed of the flywheel in m/s
+S=100//                stroke of the punch in cm
+T=10//                time required to punch a hole in s
+Cs=.03//                coefficient of fluctuation of speed
+//===================
+A=pi*d*t//                sheared area in mm^2
+E1=e1*A//                 energy required to punch entire area in Nm
+P=E1/T//                 power of motor required in watts
+T1=T/(2*S)*t//           time required to punch a hole in 32 mm thick plate
+E2=P*T1//               energy supplied by motor in T1 seconds
+E=E1-E2//                maximum fluctuation of energy in Nm
+m=E/(V^2*Cs)//           mass of the flywheel required
+printf('Mass of the flywheel required= %.0f kg',m)
+
+