A bar of cross-section A and length L is subjected to an axial load W. – McqOptions

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1.	A bar of cross-section A and length L is subjected to an axial load W. the strain energy stored in the bar would be __________
A.	WL / AE
B.	W<sup>2</sup>L / 4AE
C.	W<sup>2</sup>L / 2AE
D.	WL / 4AE
Answer» D. WL / 4AE

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