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+// Problem 3.19,Page no.67
+
+clc;clear;
+close;
+
+L=100 //m //Length of rod
+A=2 //cm**2 //cross sectional area
+rho=80 //KN/m**3
+
+//Calculatiom
+W=A*10**-4*L*rho //KN
+
+sigma_s=10+1.6 //KN //Rod experiencing max tensile stress when it is at top performing upstroke
+sigma_s_2=sigma_s*10**3*200**-1 //N/mm**2 //corresponding stress at this moment
+
+sigma_c=1 //KN ////Rod experiencing max compressive stress at its lower end,free from its own weight
+sigma_c_2=sigma_c*10**3*200**-1 //corresponding stress at this moment
+
+//Result
+printf("Tensile stress in bar = %.2f N/mm^2",sigma_s_2)
+printf("\n Compressive stress in bar = %.2f N/mm^2",sigma_c_2)