A-LevelPhysicsWork, energy and powerFeb/Mar 2021Paper 1 Q181 Mark
An aircraft travels at a constant velocity of 90 m s⁻¹ in horizontal flight. The diagram shows the horizontal forces acting on the aircraft. [Figure 18.1] The mass of the aircraft is 2000 kg. What is the power produced by the thrust force?
A1.8 × 10⁵ W
B2.2 × 10⁵ W
C1.8 × 10⁶ W
D2.0 × 10⁶ W
✓ 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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