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 $62.4 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .)

A) $666 \mathrm { lb }$
B) $1,331 \mathrm { lb }$
C) $2,662 \mathrm { lb }$
D) $333 \mathrm { lb }$