Question: A square aluminum bar with pinned ends carries a load P = 25 k acting at distance e = 2.0 in. from the center (see

A square aluminum bar with pinned ends carries a load P = 25 k acting at distance e = 2.0 in. from the center (see figure on the previous page). The bar has length L = 54 in. and modulus of elasticity E = 10,600 ksi.
If the stress in the bar is not exceed 6 ksi, what is the minimum permissible width bmin of the bar?

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