Fig $2\mathrm{.}2$ represents a water tank with a curved surface $($ACB$)$ in the form of a semi$-$

circular shape at the bottom restraining a volume of water as shown. The width of the

curved surface is $3\mathrm{.}0m.$ With this given information, compute the magnitude of the

following forces on the curved surface:

a$)$ Vertical force.

b$)$ Horizontal force.