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A long solid cylinder of radius 0.8 m hinged at point A is used as an automatic gate. When the water level reaches 5

 

A long solid cylinder of radius 0.8 m hinged at point A is used as an automatic gate. When the water level reaches 5 m, the gate opens by turning about the hinge at point A. Determine (a) the hydrostatic force acting on the cylinder and its line of action when the gate opens and (b) the weight of the cylinder per m length of the cylinder. s = 4.2 m 5 m AR=0.8 m 0.8 m cyl DI

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