A-LevelPhysicsWork, energy and powerOct/Nov 2017Paper 1 Q161 Mark

A ball of mass m is thrown up to height h in air with an initial velocity v, as shown. [Figure showing a ball thrown upwards from P to Q, reaching height h with initial velocity v] Air resistance is negligible. The acceleration of free fall is g. What is the total work done by the gravitational force on the ball during its flight from P to Q?

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.

Azero

B1/2 mv²

Cmgh

D2mgh

✓ Correct Answer

The correct answer is A: zero

📋 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 Oct/Nov 2017 examination, Paper 1 Variant 2.

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