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 ________ Where x=stress in x direction, x=strain in x direction, E=young s modulus, P=load, =elongation.
A.	( frac{1}{2}( sigma x epsilon x) )
B.	( frac{1}{E}( sigma x^2) )
C.	( frac{1}{2}(E epsilon x^2) )
D.	( frac{1}{2}(p Delta) )
Answer» E.

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