A-LevelPhysicsForces, density and pressureFeb/Mar 2017Paper 1 Q111 Mark
A spherical object falls through water at constant speed. Three forces act on the object. Which diagram, showing these three forces to scale, is correct?
A[Diagram showing one upward force and two downward forces, not balanced]
B[Diagram showing one upward force balanced by two downward forces]
C[Diagram showing two upward forces and one downward force, not balanced]
D[Diagram showing two upward forces and one downward force, not balanced]
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of forces, density and pressure 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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