$($a$)$ Estimate the hydrostatic force $($in lb$)$ on the shallow end.

lb

$($b$)$ Estimate the hydrostatic force $($in lb$)$ on the deep end. lb

$($c$)$ Estimate the hydrostatic force $($in lb$)$ on one of the sides.

lb

$($d$)$ Estimate the hydrostatic force $($in lb$)$ on the bottom of the pool.

lb