A-LevelPhysicsWork, energy and powerMay/June 2016Paper 1 Q191 Mark
An electric motor operating a lift has an output power of 20 kW. [Figure 19.1] The lift and passengers have a combined mass of 1500kg. The motor raises the lift through a distance of 20 m. How long does it take?
A6 s
B15 s
C30 s
D60 s
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of work, energy and power 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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