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3 Mechanics

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Question 111

A swimmer pushes water backwards. The water exerts a forward force on the swimmer.

a.

State the Newton's law illustrated by this pair of forces.

[1]
b.

Explain why these two forces do not cancel.

[2]
c.

The swimmer moves at constant velocity. What can be concluded about the resultant force on the swimmer?

[1]
Markscheme

3 Mechanics Questions

  1. A Level
  2. /Maths
  3. /3 Mechanics

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