Question: An opening in a floor is covered by a 3 4- ft sheet of plywood weighing 12 lb. The sheet is hinged at A and

An opening in a floor is covered by a 3 4-× ft sheet of plywood weighing 12 lb. The sheet is hinged at A and B and is maintained in a position slightly above the floor by a small block C. Determine the vertical component of the reaction (a) At A,

(b) At B,

An opening in a floor is covered by a 3

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