Exam-style question
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A force of 10 N is applied to move an object 5 m in the direction of the force. What is the work done by the force?.
- A.50 J
- B.15 J
- C.5 J
- D.10 J
Model answer
What a good answer should say
- 50 J.
- the correct option
Explanation
Why this works
The correct answer is 50 J. This supports Calculate work done by a force.
in Work, energy and power because it uses the required mechanics relationship directly. The other options are less suitable because they confuse a different force, motion, energy, momentum, or materials concept.
Common mistake
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