Question: A circular hatch is vertical and hinged at the bottom. It has a diameter of 2 m and its top edge is 2 m below

A circular hatch is vertical and hinged at the bottom. It has a diameter of 2 m and its top edge is 2 m below the free
surface. Determine the total force, the position of the center of pressure, and the force required at the top to keep it
closed.
A circular hatch is vertical and hinged at the

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