Question detail
Which option best applies spring constant for Elastic potential energy 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. It quadruples — definition focus for spring constant
- B. This confuses elastic and plastic deformation and does not answer Elastic potential energy.
- 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: It quadruples — definition focus for spring constant
Explanation
The correct option is It quadruples — definition focus for spring constant. It quadruples — definition focus for spring constant is correct because it matches the approved learning objective to use the equation elastic potential energy = 0.5 x spring constant x extension squared. This answer belongs to Elastic potential energy 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 Elastic Potential Energy Calculation
Students often confuse the extension in the elastic potential energy equation, using total length instead of just the extension.
Always ensure to measure the extension as the increase in length from the original length, not the total length of the spring.
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