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A poorly leveled crane rotates about the line a, which lies in the xy plane and has a y-direction angle 5. Line AB lies in

A poorly leveled crane rotates about the line a, which lies in the xy plane and has a y-direction angle 5°. Line AB lies in the xy plane. If the crane supports a weight W=5000 Ib and a-45°, determine the moment of W about the line a.

a We h = 40 ft

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