A-LevelPhysicsForces, density and pressureFeb/Mar 2017Paper 1 Q131 Mark

The vertical forces that the ground exerts on a stationary van are shown. [Figure showing a van with two upward forces and dimensions] The van is 2.50 m long with the wheels at a distance of 0.600 m from the front of the van and 0.400 m from the rear of the van. What is the horizontal distance of the van's centre of gravity from the front of the van?

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

The correct answer is C: 1.14 m.

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.

A0.540 m

B0.960 m

C1.14 m

D1.36 m

✓ Correct Answer

The correct answer is C: 1.14 m

📋 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 Feb/Mar 2017 examination, Paper 1 Variant 2.

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