A Gate in an Irrigation Canal Is Constructed in the Form

Multiple Choice

A gate in an irrigation canal is constructed in the form of a trapezoid $6$ ft wide at the bottom, $12$ ft wide at the top, and 2 ft high. It is placed vertically in the canal, with the water extending to its top. Find the hydrostatic force on one side of the gate..

A) $1015.8$ lb
B) $998.4$ lb
C) $1009.8$ lb
D) $973$ lb
E) None of these