Question detail
Which option best applies force for Work done by a force in AQA GCSE Physics Forces?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Work done and energy transfer
Question
- A. It is converted into thermal energy — definition focus for force
- B. This confuses distance and displacement and does not answer Work done by a force.
- C. This is too vague because it does not use the force or motion quantity named in the objective.
- D. This reverses the physical cause and effect for Work done and energy transfer.
Answer
The correct answer is: It is converted into thermal energy — definition focus for force
Explanation
The correct option is It is converted into thermal energy — definition focus for force. It is converted into thermal energy — definition focus for force is correct because it matches the approved learning objective to identify the distance moved along the line of action of the force. This answer belongs to Work done by a force within Work done and energy transfer, so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse distance and displacement, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Confusing distance with displacement
Students often think the distance moved along the line of action of the force is the same as the straight‑line displacement between start and end points, even when the path is curved or the force changes direction.
Remind that the distance used in the work‑done equation is the total length travelled along the line of action of the force, not the vector displacement. If the force is applied along a curved path, add up the small straight‑line segments of that path to get the correct distance.
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