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2.3 Forces and Newton's laws

2.3 Forces and Newton's laws

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Question 22

A brick of weight 10 N rests on a rough plane inclined at 30∘ 30^\circ\,30∘ to the horizontal. A horizontal force of 12 N acts towards the upper end of the plane. The brick is in limiting equilibrium and is on the point of slipping up the plane.

Figure for question 7

a.

Find the coefficient of friction.

[7]
b.

The horizontal force is removed. Determine whether the brick moves.

[4]
Markscheme

2.3 Forces and Newton's laws Questions

  1. A Level
  2. /Maths
  3. /2.3 Forces and Newton's laws

136 exam-style questions on CCEA A Level Maths 2.3 Forces and Newton's laws, covering 2.3.1 Forces and Newton's laws, 2.3.2 Forces and Newton's laws, 2.3.3 Forces and Newton's laws, 2.3.4 Forces and Newton's laws, 2.3.5 Forces and Newton's laws, 2.3.6 Forces and Newton's laws, 2.3.7 Forces and Newton's laws, 2.3.8 Forces and Newton's laws, 2.3.9 Forces and Newton's laws, 2.3.10 Forces and Newton's laws, 2.3.11 Forces and Newton's laws, 2.3.12 Forces and Newton's laws, and 2.3 Forces and Newton's laws. Each one has a worked solution and a mark scheme showing where the marks go.

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