2 tensile load of 100kN is suddenly applied to a rectangular bar of dimension 2cmx4cm and length of 5m. What will be the strain energy absorbed in the bar if E=1×10⁵ N/mm²?

2 tensile load of 100kN is suddenly applied to a rectangular bar of di

1.	2 tensile load of 100kN is suddenly applied to a rectangular bar of dimension 2cmx4cm and length of 5m. What will be the strain energy absorbed in the bar if E=1×10⁵ N/mm²?
A.	312.5 N-m
B.	314500 N-mm
C.	1250 N-m
D.	634 N-m
Answer» D. 634 N-m