1.

The total strain energy for a unit cube subjected to three principal stresses is given by?

A. U= [( ) + ( ) + ( ) ]/3
B. U= [( + + )/2E] ( + + )2
C. U= [( ) + ( ) + ( ) ]/4
D. None of the mentioned
Answer» C. U= [( ) + ( ) + ( ) ]/4


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