Solve the Problem
-A Force of 5 Pounds Acts in the Direction

Multiple Choice

Solve the problem
-A force of 5 pounds acts in the direction of $9 ^ { \circ }$ to the horizontal. The force moves an object along a straight line from the point $( 9,3 )$ to the point $( 18,13 )$ , with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.

A) $66.4 \mathrm { ft } - \mathrm { lb }$
B) $67.3 \mathrm { ft } - \mathrm { lb }$
C) $13.3 \mathrm { ft } - \mathrm { lb }$
D) $93.8 \mathrm { ft } - \mathrm { lb }$