Question: The solid circular bar shown above is aluminum, E = 7 0 GPa, a = 2 3 1 0 - 6 C . The bar

The solid circular bar shown above is aluminum, E=70GPa,a=2310-6C.
The bar is fixed at one end and free at the other. Its temperature is
increased by 20C. What is the stress, , and the axial strain , in the bar?
Solution:
The solid circular bar shown above is aluminum, E

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