To Calculate: The stress of the given aluminum bar.
Answer to Problem 23P
The stress that is required to keep the bar at this length is
Explanation of Solution
Given info:
The initial temperature is,
The final temperature is,
The young modulus of the aluminum is,
Formula used:
The thermal stress is given as,
Where,
Calculation:
The thermal stress must be regained for the thermal expansion. So, the stress is given as,
Conclusion:
The stress is
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