A uniformly distributed load on beam (A B C) in Figure P6.9 causes it to sag. To

Question:

A uniformly distributed load on beam $A B C$ in Figure P6.9 causes it to sag. To counteract this sag, a cable and post are added beneath the beam. The cable is tensioned until the force in the post causes a moment equal in magnitude, but opposite in direction, to the moment in the beam. Determine the forces in the cable and the post, and determine the reactions at $A$ and $C$.

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