A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2018 · Q201 Mark

The diagram shows a large crane on a construction site lifting a cube-shaped load at a constant speed. [Figure 20.1] A model is made of the crane, its load and the cable supporting the load. The material used for each part of the model is the same as that in the full-size crane, cable and load. The model is one tenth full-size in all linear dimensions. What is the ratio stress in the cable on the full-size crane / stress in the cable on the model crane ?

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A0.1

C10

D100

✓ Correct answer

C: 10

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2018 Paper 1 Variant 2, question 20.

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