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1.7.2 Work done

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Question 7

Four athletes are training using chest expanders made of identical springs, each of stiffness kkk. The details of their training configurations are as follows:

  • Athlete A stretches one spring by 0.50 m.
  • Athlete B stretches two springs in parallel by 0.40 m each.
  • Athlete C stretches three springs in parallel by 0.30 m each.
  • Athlete D stretches two springs in parallel by 0.50 m each.

Which athlete does the most work?

A

Athlete A

B

Athlete B

C

Athlete C

D

Athlete D

Markscheme

1.7.2 Work done Questions

  1. IGCSE
  2. /Physics
  3. /1.7.2 Work done

67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.

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