A tensile load of 60kN is suddenly applied to a circular bar of 4cm and 5m length. What will be the strain energy absorbed by the rod if E=2×10⁵ N/mm²?

A tensile load of 60kN is suddenly applied to a circular bar of 4cm an

1.	A tensile load of 60kN is suddenly applied to a circular bar of 4cm and 5m length. What will be the strain energy absorbed by the rod if E=2×10⁵ N/mm²?
A.	140.5 N-m
B.	100 N-m
C.	197.45 N-m
D.	143.2 N-m
Answer» E.