A Cylindrical Gasoline Tank Is Placed So That the Axis $1,276 \mathrm { lb }$

Multiple Choice

A cylindrical gasoline tank is placed so that the axis of the cylinder is horizontal. Find the fluid force on a circular end of the tank if the tank is half full, assuming that the diameter is Feet and the gasoline weighs 42 pounds per cubic foot.

A) $1,276 \mathrm { lb }$
B) $20,412 \mathrm { lb }$
C) $5,103 \mathrm { lb }$
D) $2,552 \mathrm { lb }$
E) $10,206 \mathrm { lb }$