A-LevelPhysicsForces, density and pressureOct/Nov 2015Paper 1 Q151 Mark
Which pair of forces acts only as a couple on the circular object?
ATwo forces F, one acting horizontally right at the top of the circle, the other acting horizontally left at the bottom of the circle.
BTwo forces, one F acting horizontally right at the top of the circle, the other 2F acting horizontally right at the bottom of the circle.
CTwo forces, one F acting horizontally right at the top of the circle, the other 2F acting horizontally left at the mid-left of the circle.
DTwo forces F, one acting horizontally right at the top of the circle, the other acting vertically downwards at the bottom of the circle.
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
📋 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...
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