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15.1 Forces and springs

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Question 34
F

Two springs P and Q each support a force of 3.0 N. P extends by 15 mm and Q extends by 30 mm. Both springs obey Hooke's law. Which gives the spring constants?

[1]
A

P: 0.10 N/m0.10\ \mathrm{N/m}0.10 N/m; Q: 0.20 N/m0.20\ \mathrm{N/m}0.20 N/m.

B

P: 0.20 N/m0.20\ \mathrm{N/m}0.20 N/m; Q: 0.10 N/m0.10\ \mathrm{N/m}0.10 N/m.

C

P: 100 N/m100\ \mathrm{N/m}100 N/m; Q: 200 N/m200\ \mathrm{N/m}200 N/m.

D

P: 200 N/m200\ \mathrm{N/m}200 N/m; Q: 100 N/m100\ \mathrm{N/m}100 N/m.

Markscheme

15.1 Forces and springs Questions

  1. GCSE
  2. /Physics
  3. /15.1 Forces and springs

102 exam-style questions on Edexcel GCSE Physics 15.1 Forces and springs, covering 15.1.1 Elastic and inelastic distortion, 15.1.2 The spring constant, 15.1.3 Work done in stretching a spring, and 15.1.4 Linear and non-linear force–extension. Each one has a worked solution and a mark scheme showing where the marks go.

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