A circular plate of diameter 3 m is immersed in water in such a way that its least and greatest depth from the free surface of water are 1 m and 3 m respectively. For the front side of the plate, find...

A circular plate of diameter 3 m is immersed in water in such a way that its least and greatest depth
from the free surface of water are 1 m and 3 m respectively. For the front side of the plate, find (i)
total force exerted by water and (ii) the position of centre of pressure.