A-LevelPhysicsDeformation of solidsOct/Nov 2017Paper 1 Q211 Mark

A rectangular block of steel supporting a very large component of a bridge has a height of 15 cm and a cross-section of 20 cm × 12 cm. It is designed to compress 1 mm when under maximum, evenly distributed, load. The Young modulus of steel is 2.0 × 10¹¹ N m⁻². What is the maximum load it can support?

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

The correct answer is A: 32 MN.

Q: What topic does this question test?

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

A32 MN

B56 GN

C720 GN

D32 TN

✓ Correct Answer

The correct answer is A: 32 MN

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

Source

This question appeared in the Cambridge A-Level Physics Oct/Nov 2017 examination, Paper 1 Variant 2.

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