Problem $3\mathrm{.}5$M

For the curved surface $AB($Quarter of a circle$)$:

Determine the magnitude, direction, and line of action of the

vertical component of hydrostatic force acting on the surface. Here

length $l$ is $3$ m $.$

Determine the magnitude, direction, and line of action of the

horizontal component of hydrostatic force acting on the surface.

Determine the resultant hydrostatic force acting on the surface.