The beam is subjected to the triangular distributed load with a maximum intensity of $w_0 = 300 \text{ lb/ft}$. Part A If the allowable bending stress is $\sigma_{allow} = 1.1 \text{ ksi}$, determine the required dimension $b$ of its cross section. Assume the support at A is a pin and B is a roller. Express your answer to three significant figures and include appropriate units.
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First, we need to determine the shape of the triangular distributed load. Since it is a triangular load, the intensity will vary linearly from zero at one end to the maximum intensity at the other end. Show more…
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