A-LevelPhysicsForces, density and pressureFeb/Mar 2016Paper 1 Q21 Mark
A crane has an arm to which is attached a frictionless pulley. A cable passes over the pulley and supports a load of 10 kN as shown. [Figure 2.1] The crane arm exerts a force F on the pulley. What is the value of F?
A5.0 kN
B8.7 kN
C10 kN
D17 kN
✓ 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...
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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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