A-LevelPhysicsForces, density and pressureOct/Nov 2014Paper 1 Q101 Mark

A glider is descending at constant speed at an angle of 15° to the horizontal. The diagram shows the directions of the lift L, air resistance R and weight W acting on the glider. [Figure 10.1] Which vector triangle could represent the forces acting on the glider?

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

The correct answer is D: [Diagram option D].

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.

A[Diagram option A]

B[Diagram option B]

C[Diagram option C]

D[Diagram option D]

✓ Correct Answer

The correct answer is D: [Diagram option D]

📋 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 Oct/Nov 2014 examination, Paper 1 Variant 2.

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