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2.3 Forces and Newton's laws

2.3 Forces and Newton's laws

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Question 59

A particle of mass 2 kg is acted on by forces (ki+3j)(k\mathbf{i}+3\mathbf{j})(ki+3j) N and (−4i+5j)(-4\mathbf{i}+5\mathbf{j})(−4i+5j) N. Its acceleration is parallel to 2i+j2\mathbf{i}+\mathbf{j}2i+j.

a.

Find kkk.

[4]
b.

Find the acceleration of the particle.

[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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