. The rigid gate, OAB, of fig. (2.6) is hinged at O and rests against a rigid support at B. What minimum horizontal force, P, is required to hold the gate closed if its width is 3 m. Neglect the weight of the gate and friction in the hinge. Open to atrnosphere; Woter Hioge 4 m 2 m- Figure (2.6)

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