A-LevelPhysicsDynamicsMay/June 2018Paper 1 Q151 Mark

The vector diagram shows three coplanar forces acting on an object at P. [Diagram] The magnitude of the resultant of these three forces is 1 N. What is the direction of this resultant force?

Q: What topic does this question test?

This question tests Dynamics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

AArrow pointing left and slightly up.

BArrow pointing right and slightly up.

CArrow pointing left and slightly down.

DArrow pointing right and slightly down.

✓ Correct Answer

The correct answer is D: Arrow pointing right and slightly down.

📋 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 Dynamics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2018 examination, Paper 1 Variant 2.

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