A-LevelPhysicsDeformation of solidsFeb/Mar 2018Paper 1 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 ?
A0.1
B1
C10
D100
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of deformation of solids within the Physicssyllabus. The examiner's mark scheme requires...
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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...
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