A bar, L meter long and having its area of cross-section A, is subjected to gradually applied tensile load W. The strain energy stored in the bar is given by

QuestionsCategory: Civil EngineeringA bar, L meter long and having its area of cross-section A, is subjected to gradually applied tensile load W. The strain energy stored in the bar is given by
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A bar, L meter long and having its area of cross-section A, is subjected to gradually applied tensile load W. The strain energy stored in the bar is given by

a) W^2.L/ AE

b) W^2. L/ 2AE  (Ans)

c) WL/ 2AE

d) WL/AE