Question detail
Which option best applies extension for Stretching and deformation 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
Forces and elasticity
Question
- A. Deformation that is not fully reversed when the force is removed — graph focus for extension
- B. This confuses elastic and plastic deformation and does not answer Stretching and deformation.
- 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 Forces and elasticity.
Answer
The correct answer is: Deformation that is not fully reversed when the force is removed — graph focus for extension
Explanation
The correct option is Deformation that is not fully reversed when the force is removed — graph focus for extension. Deformation that is not fully reversed when the force is removed — graph focus for extension is correct because it matches the approved learning objective to explain why measurements should be repeated when investigating extension. This answer belongs to Stretching and deformation within Forces and elasticity, so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse elastic and plastic deformation, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Repeating Measurements
Students often believe that taking a single measurement is sufficient for accuracy in extension investigations.
Emphasize the importance of repeating measurements to account for random errors and improve reliability.
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