Question: The 12-ft boom AB has a fixed end A. A steel cable is stretched from the free end B of the boom to a point

The 12-ft boom AB has a fixed end A. A steel cable is stretched from the free end B of the boom to a point C located on the vertical wall. If the tension in the cable is 380 lb, determine the moment about A of the force exerted by the cable at B.

8 ft 4.8 ft 12 ft

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