A-LevelPhysicsForces, density and pressureOct/Nov 2009Paper 1 Q101 Mark

What is the centre of gravity of an object?

Q: What topic does this question test?

This question tests Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Athe geometrical centre of the object

Bthe point about which the total torque is zero

Cthe point at which the weight of the object may be considered to act

Dthe point through which gravity acts

✓ Correct Answer

The correct answer is C: the point at which the weight of the object may be considered to act

📋 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 Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics Oct/Nov 2009 examination, Paper 1 Variant 2.

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