Elastic Limit :: Discussion


6.If in a wire of Young’s modulus Y, longitudinal strain is produced, then the value of potential energy stored in its unit volume will be?
A.YX2
B.YX2
C.2YX2
D.0.5YX2
Answer:  Option  D
Explanation:

Potential energy stored per unit volume,
u=1/2×Stress×Strain=1/2 (Y×Strain)×Strain
u=0.5YX2.

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Published by:Michael Daani

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