A-LevelPhysicsForces, density and pressureMay/June 2016Paper 1 Q141 Mark
Two coplanar forces act on the rim of a wheel. The forces are equal in magnitude. Which arrangement of forces provides only a couple?
Adiagram showing two parallel forces of equal magnitude and opposite direction, acting horizontally on the left and right side of the rim.
Bdiagram showing two forces of equal magnitude acting towards each other along the same line on the top and bottom of the rim.
Cdiagram showing two parallel forces of equal magnitude and the same direction, both pointing upwards, acting on the left and right side of the rim.
Ddiagram showing two parallel forces of equal magnitude and opposite direction, one pointing up and one pointing down, acting vertically on the top and bottom side of the rim.
✓ Correct Answer
The correct answer is D. 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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