A-LevelPhysicsDynamicsOct/Nov 2012Paper 1 Q121 Mark

A ball of mass 0.5kg is thrown against a wall at a speed of 12ms⁻¹. It bounces back with a speed of 8 ms⁻¹. The collision lasts for 0.10s. [Figure showing ball approaching and rebounding from wall] What is the average force on the ball due to the collision?

Q: What is the correct answer to this A-Level Physics question?

The correct answer is D: 100 N.

Q: What topic does this question test?

This question tests Dynamics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

A0.2 N

B1 N

C20 N

D100 N

✓ Correct Answer

The correct answer is D: 100 N

📋 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 Dynamics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics Oct/Nov 2012 examination, Paper 1 Variant 2.

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