A vertical rectangular hatch, as shown in the figure, is hinged at its top edge which is at the surface of the water. The hatch is made to open inwards. Find, (a) the overall hydrostatic force acting on the hatch; (b) the position of the center of pressure; and (c) the force F required to open this hatch. Fresh water 77777 F ya G 3 m Hydrostatic force acting on a vertical rectangular hatch of a surface. Hinge 2 m