Solve the Problem $\mathbf { F } = 49 \mathbf { i } + 31 \mathbf { j }$

Multiple Choice

Solve the problem.
-A constant force $\mathbf { F } = 49 \mathbf { i } + 31 \mathbf { j }$ moves an object along a vector $\mathbf { D } = 20 \mathbf { i } - 14 \mathrm { j }$ , where units are in pounds and feet. Find the work done.

A) $1415.5$ foot-pounds
B) 1414 foot-pounds
C) 546 foot-pounds
D) $- 1414$ foot-pounds