A 30-kg cover for a roof opening is hinged at corners A and B. The roof forms
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A 30-kg cover for a roof opening is hinged at corners A and B. The roof forms s an angle of 30o with the horizontal, and the cover is maintained in a horizontal position by the brace CE. Determine
(a) The magnitude of the force exerted by the brace,
(b) The reactions at the hinges. Assume that the hinge at A does not exert any axial thrust.
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A B 15 15 By B W FEC E 15 C fbd X First note From fbd o...View the full answer
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