A-LevelPhysicsForces, density and pressureMay/June 2021Paper 1 Q141 Mark

Each foot of an elephant has a circular cross-section with a circumference of 1.4 m. The elephant has a mass of 5400 kg. The elephant is standing still with all four feet on the ground. Assume the pressure under each foot is the same. What is the approximate pressure exerted on the ground by each of the elephant's feet?

Q: What is the correct answer to this A-Level Physics question?

The correct answer is C: 85 kPa.

Q: What topic does this question test?

This question tests Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

A8.7 kPa

B35 kPa

C85 kPa

D340 kPa

✓ Correct Answer

The correct answer is C: 85 kPa

📋 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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About This A-Level Physics Question

Topic

This multiple-choice question tests Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2021 examination, Paper 1 Variant 2.

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