Question: An ASTM A36 steel rod, 375.06 mm long and having a crosssectional area of 1250 mm , is loosely inserted into a copper tube, as shown. The copper tube has a cross-sectional area of 1800 mm2 and is 375 mm long. If an axial load of 112 kN is applied by means of a rigid cap plate, what stresses will be developed in the two materials?