O-LevelPhysicsForcesOct/Nov 2024Paper 1 Q151 Mark

Trolley X of mass 2.0 kg is moving to the right at 2.0 m/s. Trolley Y of mass 1.0 kg is moving to the left at 1.0 m/s. The trolleys collide and stick together. The collision takes a total time of 0.20 s. What is the average force acting on trolley X during the collision?

Q: What topic does this question test?

This question tests Forces in O-Level Physics (syllabus code 5054). It is worth 1 mark.

A3.3 N

B10 N

C15 N

D25 N

✓ Correct Answer

The correct answer is B: 10 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 O-Level Physics Question

Topic

This multiple-choice question tests Forces in O-Level Physics (syllabus code 5054). It is worth 1 mark.

Source

This question appeared in the Cambridge O-Level Physics Oct/Nov 2024 examination, Paper 1 Variant 1.

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