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

Question

A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the strain energy in the rod if the load is applied suddenly (E = 2×10⁵ N/mm²)?

Options:

A . 143.23 N-m

B . 140.51 N-m

C . 135.145 N-m

D . 197.214 N-m

Answer: Option A
Answer: (a).143.23 N-m

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