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diff --git a/3863/CH1/EX1.1/Ex1_1.sce b/3863/CH1/EX1.1/Ex1_1.sce
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+clear
+//
+//Given
+//Variable declaration
+L=150           //Length of the rod in cm
+D=20            //Diameter of the rod in mm
+P=20*10**3      //Axial pull in N
+E=2.0e5         //Modulus of elasticity in N/sq.mm
+
+//Calculation
+A=(%pi/4)*(D**2)    //Area in sq.mm
+ //case (i):stress
+sigma=P/A               //Stress in N/sq.mm
+ //case (ii):strain
+e=sigma/E               //Strain
+ //case (iii):elongation of the rod
+dL=e*L                  //Elongation of the rod in cm
+
+//Result
+printf("\n Stress = %0.3f  N/mm^2",sigma)
+printf("\n Strain = %0.6f  ",e)
+printf("\n Elongation = %0.4f  cm",dL)