Questions › Category: Civil Engineering › A bar L meter long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is
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A bar L meter long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is

a) WL/2AE

b) WL/AE

c) W^2.L/AE

d) W^2.L/2AE (Ans)