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Forces in action

Forces in action

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Question 1

A light elastic string of natural length 2.0 m is stretched to a total length of 3.0 m, storing 18 J of elastic potential energy.

The string is then stretched further to a total length of 5.0 m. Assuming Hooke's law is obeyed, what is the elastic potential energy now stored in the string?

A

30 J30\text{ J}30 J

B

50 J50\text{ J}50 J

C

54 J54\text{ J}54 J

D

162 J162\text{ J}162 J

Markscheme

Forces in action Questions

  1. GCSE
  2. /Physics
  3. /Forces in action

39 exam-style questions on OCR GCSE Physics Forces in action. Each one has a worked solution and a mark scheme showing where the marks go.

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