The diagrams show a metal cube suspended from a spring balance before and during immersion in water. [Figure showing a spring balance suspending a metal cube. One diagram shows it before immersion, the other during partial immersion in water.] A reduction in the balance reading occurs as a consequence of the immersion. Which statement is correct?
✓ Correct Answer
The correct answer is D: The gravitational pull on the cube is unchanged by the immersion.
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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