Question: A copper bar is rigidly fixed at its ends at a temperature of 1 5 C . Determine the magnitude and nature of the stress

A copper bar is rigidly fixed at its ends at a temperature of 15C. Determine the magnitude and nature of the stress induced in the material
a) If the temperature falls to -25C
b) if the temperature rises to 95C
Take E =96GPa and =1710-6C-1
A copper bar is rigidly fixed at its ends at a

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