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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)
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