Engineering Board Exam Reviewer · Engineering Mechanics · easy
A force of 55 N is applied at an angle of 15° to the direction of motion, moving an object a distance of 4 m. How much work is done by the force?
- 212.5
- 220
- 56.94
- 59
Answer
A. 212.5
Solution
W = F · d · ( ) = 55 × 4 × (15°) = 212.5 J.
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