A-LevelPhysicsDynamicsMay/June 2016Paper 1 Q101 Mark
A sphere falls from rest through the air. The graph shows the variation with time of the sphere's velocity. [Figure 10.1] Which diagram shows the forces acting on the sphere when it is at the velocity corresponding to point P on the graph?
Adiagram showing a sphere with air resistance pointing downwards and weight pointing downwards.
Bdiagram showing a sphere with air resistance pointing upwards and weight pointing downwards, with the weight vector longer than the air resistance vector.
Cdiagram showing a sphere with air resistance pointing upwards and weight pointing downwards, with the weight vector equal in length to the air resistance vector.
Ddiagram showing a sphere with air resistance pointing upwards and weight pointing upwards.
✓ Correct Answer
The correct answer is C. 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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