The rigid gate, OAB, of Fig. P2.58 is hinged at O and rests against a rigid support at B. What minimum horizontal force, P, is required to hold the

The rigid gate, OAB, of Fig. P2.58 is hinged at O andrests against a rigid support at B. What minimum horizontalforce, 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. Theback of the gate is exposed to the atmosphere.