A-LevelPhysicsForces, density and pressureOct/Nov 2021Paper 1 Q131 Mark
A mass of 500 g is attached at one end of a rod of length 1.50 m. The rod is pivoted at a distance of 25 cm from the other end. The rod is horizontal. [Figure 13.1] What is the moment about the pivot due to the mass?
A0.63 Nm
B1.2 Nm
C6.1 Nm
D7.4 Nm
✓ 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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