A-LevelPhysicsDeformation of solids9702/12 · Oct/Nov 2021 · Q211 Mark

Three springs are arranged vertically as shown. [Figure 21.1] Springs P and Q are identical and each has spring constant k. Spring R has spring constant 3k. What is the increase in the overall length of the arrangement when a force W is applied as shown?

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.

A5W / 6k

B4W / 3k

C7W / 2k

D4W / k

✓ Correct answer

A: 5W / 6k

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2021 Paper 1 Variant 2, question 21.

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