A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 10m long. What will be the strain energy absorbed by the rod if E=1×10⁵ N/mm²?

A tensile load of 60kN is gradually applied to a circular bar of 4cm d

1.	A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 10m long. What will be the strain energy absorbed by the rod if E=1×10⁵ N/mm²?
A.	100 N-m
B.	132 N-m
C.	148 N-m
D.	143.2 N-m
Answer» E.