A-LevelPhysicsForces, density and pressureOct/Nov 2025Paper 1 Q141 Mark
The diagram shows a uniform bar of mass M and length L resting on a pivot at a distance x from end X. [Figure 14.0] An object of mass m is placed on the bar at distance y from the pivot so that the bar is in equilibrium. What is an expression for y?
AXM / m
BM/m (L-x)
CM/2m (L-2x)
D1/m (Lm-XM)
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
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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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