(Answered) Question a pin-connected axially loaded steel bar is used

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Question: A pin-connected axially loaded steel bar is used as a compression member. The bar has a rectangular cross section 1 in. by 2 in. The proportional limit is 30,000 psi. Calculate the minimum length L for Euler's formula to be applicable. In addition, calculate the critical stress and the critical load if the length of the bar is 5 ft.

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