You Are Given the Shape of the Vertical Ends of a Trough

Multiple Choice

You are given the shape of the vertical ends of a trough that is completely filled with water. Find the force exerted by the water on one end of the trough. (The weight density of water is $62.4 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .)
Select the correct answer.

A) $5,200 \mathrm { lb }$
B) $1,040 \mathrm { lb }$
C) $520 \mathrm { lb }$
D) $2,6001 \mathrm {~b}$