An aluminum bar 2 in. by in cross section is subjected to a tensile load of 16,000 lb. At...

An aluminum bar 2 in. by in cross section is subjected to a tensile load of 16,000 lb. At this load, the axial strain is 1650 × 10–6 in./in. Assuming a proportional limit of 21,000 psi, calculate the modulus of elasticity for the material.