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Q: A mild steel bar of uniform cross- section A and length 2L is subjected to an axial load P. The total energy stored in the bar would be:
  • A. PL/AE
  • B. (P^2L)/2AE
  • C. PL/2AE
  • D. (P^2L)/AE
Correct Answer: Option D -
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Explanations:

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