The strain energy stored in a body, when the load is gradually applied, is (where $$\sigma $$ = Stress in the material of the body, V = Volume of the body and E = Modulus of elasticity of the material)
A. $$\frac{{\sigma {\text{E}}}}{{\text{V}}}$$
B. $$\frac{{\sigma {\text{V}}}}{{\text{E}}}$$
C. $$\frac{{{\sigma ^2}{\text{E}}}}{{2{\text{V}}}}$$
D. $$\frac{{{\sigma ^2}{\text{V}}}}{{2{\text{E}}}}$$
Answer: Option D
This Question Belongs to Mechanical Engineering >> Strength Of Materials In ME
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