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Solve given Problem assuming that the timber beam is a dressed 6-in.-by-18-in. member.

Problem
Find the value of the loads P that can be safely supported by the 6-in.-by-12-in. (S4S) timber beam shown. The allowable bending stress is 1800 psi and the allowable shear stress is 140 psi. Be sure to consider the weight of the beam.

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