$(10$ points$)$ A sealed water tank has a rectangular gate $({25}^{\text{'}}{20}^{\text{'}})$ in its

side. The pressure in the air above the water is $8\mathrm{.}2$ psia:

$B={20}^{\text{'}}(INTO$ PAPER$)$

$p=14\mathrm{.}7$esiA

a$)$ Find

sulve un hil yale.

b$)$ If the gate is hinged at the top $($as shown$),$ how will it rotate?

Clockwise

No rotation

c$)$ If the gate is hinged instead at the bottom, how will it rotate?

Clockwise

No rotation

d$)$ If the gate is hinged instead at its center, how will it rotate?

Clockwise

Counterclockwise

No rotation