(Solved): A square steel bar is 2 inches on a side and 10 inches
long. It is loaded by an axial tensile force ...
A square steel bar is 2 inches on a side and 10 inches
long. It is loaded by an axial tensile force of 40,000 lb. If E =
30 x 106 psi and u= 0.3, determine the change of volume per unit
volume.