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+//Solutions to Problems In applied mechanics
+//A N Gobby
+clear all;
+
+clc
+//initialisation of variables
+p1=12000//in
+p2=0.0125//lbf/in
+x=8//in
+w=14300//in
+r=0.122//in
+//CALCULATIONS
+M=(p1/p2)*(x/(%pi/4*1^2))//lbf/in^2
+P=0.1*x/100//in
+S=w/(%pi/4*1^2)//lbf/in^2
+P1=(r*100/x)//percent
+//RESULTS
+printf('the modulus of elasticity=% f lbf/in^2',M)
+printf('non-proportional elongation=% f lbf/in^2',S)
+printf('the percentage elongation=% f percent',P1)