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15.1 Forces and springs

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Question 22
F

A spring has an unstretched length of 8.0 cm. A force of 2.0 N increases its length to 10.5 cm. The spring obeys Hooke's law throughout the investigation. What is its length when the force is 6.0 N?

[1]
A

18.5 cm18.5\ \mathrm{cm}18.5 cm

B

7.5 cm7.5\ \mathrm{cm}7.5 cm

C

15.5 cm15.5\ \mathrm{cm}15.5 cm

D

31.5 cm31.5\ \mathrm{cm}31.5 cm

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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