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In the figure above, a 47 kg boom of length 5.5 m is supported by a cable that has a braking tension of 750 N. The cable is perpendicular to the boom and is attached 4.125 m from the pivot. Find:
the maximum load that can be suspended from the end of the boom;
the magnitude of the horizontal force exerted by the pivot at the maximum load?
the magnitude of the vertical force exerted by the pivot at the maximum load?