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clear
//
//Given
//Variable declaration
P=100 //Impact load in N
h=2*10 //Height in mm
L=1.5*1000 //Length of bar in mm
A=1.5*100 //Area of bar in sq.mm
E=2e5 //Modulus of elasticity in N/sq.mm
//Calculation
V=A*L //Volume in mm^3
//case(i):Maximum instantaneous stress induced in the vertical bar
sigma=((P/A)*(1+(sqrt(1+((2*E*A*h)/(P*L))))))
//case(ii):Maximum instantaneous elongation
delL=(sigma*L/E)
//case(iii):Strain energy stored in the vertical rod
U=(sigma**2/(2*E)*V*1e-3)
//Result
printf("\n NOTE:The answer in the book for instantaneous stress is incorrect.The correct answer is,")
printf("\n Maximum instantaneous stress = %0.3f N/mm^2",sigma)
printf("\n Maximum instantaneous elongation = %0.3f mm",delL)
printf("\n Strain energy = %0.3f N-m",U)
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