A-LevelPhysicsDeformation of solids9702/12 · May/June 2011 · Q241 Mark
The diagram shows the structure of part of a mattress. The manufacturer wants to design a softer mattress (one which will compress more for the same load). Which change will not have the desired effect?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Ausing more layers of springs
Busing more springs per unit area
Cusing springs with a smaller spring constant
Dusing springs made from wire with a smaller Young modulus
✓ Correct answer
B: using more springs per unit area
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