Exam-style question
Try this first
If a force of 10 N moves an object 5 m in the direction of the force, how much work is done?.
- A.50 J
- B.15 J
- C.5 J
- D.2 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 Use equations of uniform acceleration.
in Motion along a straight line 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
No common mistake is linked to this question yet.