A flood gate weighing 2000 lb is lying at an inclination of 5° as shown in Figure P4.63. The center of gravity of the gate is 45 in along the gate from the hinge point. Determine the depth of the...

A flood gate weighing 2000 lb is lying at an inclination of 5° as shown in Figure P4.63. The center of gravity of the gate is 45 in along the gate from the hinge point. Determine the depth of the water level at which the gate will start opening.