A-LevelPhysicsWork, energy and powerMay/June 2021Paper 1 Q151 Mark

A stone is falling vertically through the air at a constant (terminal) velocity. Which energy change is occurring?

Q: What topic does this question test?

This question tests Work, energy and power in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Agravitational potential energy to thermal energy

Bgravitational potential energy to kinetic energy of the stone

Ckinetic energy to gravitational potential energy of the stone

Dkinetic energy of the stone to thermal energy

✓ Correct Answer

The correct answer is A: gravitational potential energy to thermal energy

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Work, energy and power in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2021 examination, Paper 1 Variant 2.

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