Elastic strain energy per unit volume or strain energy density is NOT – McqOptions

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1.	Elastic strain energy per unit volume or strain energy density is NOT equal to ________
A.	Where σx=stress in x direction, εx=strain in x direction, E=young’s modulus, P=load, Δ=elongation.
B.	\(\frac{1}{2}(\sigma x\epsilon x)\)
C.	\(\frac{1}{E}(\sigma x^2)\)
D.	\(\frac{1}{2}(E\epsilon x^2)\)
E.	\(\frac{1}{2}(p \Delta)\)
Answer» E.

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