Question detail
Which option best applies force 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. 100 N — misconception focus for force
- 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: 100 N — misconception focus for force
Explanation
The correct option is 100 N — misconception focus for force. 100 N — misconception focus for force is correct because it matches the approved learning objective to calculate force from spring constant and extension. 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
Common Mistake in Hooke's Law Calculations
Students often confuse the spring constant and extension values, leading to incorrect force calculations.
Always ensure to clearly identify and label the spring constant (k) and the extension (e) before substituting them into the formula F = k x e.
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