A tensile load of 100kN is gradually applied to a rectangular bar of dimension 2

Question

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

Options:

A . 312.5 N-m

B . 314500 N-mm

C . 245.5 N-m

D . 634 N-m

Answer: Option A
Answer: (a).312.5 N-m

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