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

question 94

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

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