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15.1 Forces and springs

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Question 48
H

A spring obeys Hooke's law and must extend by no more than 60 mm. Its spring constant is 80 N/m. A mass hanger of 80 g is attached. Identical masses of 50 g are then added. The gravitational field strength is 10 N/kg. What is the maximum number of these masses that can be added without exceeding the permitted extension?

[1]
A

101010

B

888

C

999

D

666

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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