Question:-
Strain energy stored in a body of volume V subjected to uniform stress s is
Option (A)
sE/V
Option (B)
sE2/V
Option(C)
sV2/E
Option(D)
s2V/2E
Correct Option:
(D)
Question Solution:
Strain energy = (1/2)F x dl
= (1/2)( s x A) x ((s x L)/E) = (s2AL / 2E)
U = (s2V / 2E)
question-answer-faq-9367