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3.3.4 Newton's third law and equilibrium

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Question 1
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A small ball B B\,B is suspended from a hook by a light inextensible string. A horizontal wind force of 15 N acts on the ball. The ball is in equilibrium with the string taut and making an angle of 30∘ 30^\circ\,30∘ with the vertical.

a.

Find the tension in the string.

[2]
b.

Find the weight of BBB.

[3]
Markscheme

3.3.4 Newton's third law and equilibrium Questions

  1. A Level
  2. /Maths
  3. /3.3.4 Newton's third law and equilibrium

19 exam-style questions on AQA A Level Maths 3.3.4 Newton's third law and equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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