Question detail
Which option best applies Hooke's law for Hooke's law and spring constant 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. Hooke's law no longer applies — definition focus for Hooke's law
- B. This confuses elastic and plastic deformation and does not answer Hooke's law and spring constant.
- 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: Hooke's law no longer applies — definition focus for Hooke's law
Explanation
The correct option is Hooke's law no longer applies — definition focus for Hooke's law. Hooke's law no longer applies — definition focus for Hooke's law is correct because it matches the approved learning objective to identify when Hooke's law no longer applies from a force-extension graph. This answer belongs to Hooke's law and spring constant 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
Misunderstanding Hooke's Law Limitations
Students often think Hooke's law applies indefinitely, failing to recognize the limit of proportionality on a force-extension graph.
To correct this, students should practice identifying the point on the graph where the relationship between force and extension is no longer linear, indicating that Hooke's law no longer applies.
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