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15.1 Forces and springs

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Question 41
H

Springs P and Q obey Hooke's law. The spring constant of P is twice that of Q. The same force is applied to each spring. Which gives the ratios for P compared with Q?

[1]
A

Extension ratio 1:21:21:2; stored energy ratio 1:41:41:4.

B

Extension ratio 2:12:12:1; stored energy ratio 2:12:12:1.

C

Extension ratio 1:21:21:2; stored energy ratio 1:21:21:2.

D

Extension ratio 2:12:12:1; stored energy ratio 4:14:14:1.

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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