A-LevelPhysicsDynamicsMay/June 2025Paper 1 Q71 Mark
A solid object of mass 1.0 kg falls vertically downwards in a vacuum. When the speed of the object is 60 ms¯¹, an additional constant force of 50 N suddenly starts to act vertically upwards on the object. What is the speed of the object 2.0 s after the additional force starts to act?
A20 m s-1
B40 m s-1
C80 m s-1
D100 m s-1
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The correct answer is A. This question tests the candidate's understanding of dynamics 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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