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2.3 Forces and Newton's laws

2.3 Forces and Newton's laws

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Question 61

Forces (7i−3j)(7\mathbf{i}-3\mathbf{j})(7i−3j) N, (−2i+8j)(-2\mathbf{i}+8\mathbf{j})(−2i+8j) N and (i−j)(\mathbf{i}-\mathbf{j})(i−j) N act on a particle of mass 3 kg.

a.

Find the resultant force.

[2]
b.

Find the acceleration of the particle.

[2]
c.

Find the magnitude of the acceleration.

[2]
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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