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2.3 Forces and Newton's laws

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Question 3

A motorboat of mass 900 kg speeds up uniformly from 4.0 m s−14.0\ \mathrm{m\,s^{-1}}4.0 ms−1 to 10.0 m s−110.0\ \mathrm{m\,s^{-1}}10.0 ms−1 in 5.0 s. The total resistive force acting on the boat is 420 N.

Calculate the forward force provided by the boat's engine.

[3]
Markscheme

2.3 Forces and Newton's laws Questions

  1. GCSE
  2. /Physics
  3. /2.3 Forces and Newton's laws

103 exam-style questions on Edexcel GCSE Physics 2.3 Forces and Newton's laws, covering 2.3.1 Newton's first law, 2.3.2 Newton's second law, and 2.3.3 Weight and gravitational field strength. Each one has a worked solution and a mark scheme showing where the marks go.

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