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15.1 Forces and springs

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Question 37
F

A spring has an unstretched length of 12.0 cm. Its length becomes 16.0 cm when a force of 3.0 N is applied. The spring obeys Hooke's law. What is its spring constant?

[1]
A

75 N/m75\ \mathrm{N/m}75 N/m

B

19 N/m19\ \mathrm{N/m}19 N/m

C

25 N/m25\ \mathrm{N/m}25 N/m

D

0.75 N/m0.75\ \mathrm{N/m}0.75 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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