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3.3 R: Forces and Newton's laws

3.3 R: Forces and Newton's laws

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Question 24
66%

A particle P P\,P of mass 0.8kg moves under the action of a force F F\,F N. The acceleration of P P\,P is (−3i+5j)(-3\mathbf{i} + 5\mathbf{j})(−3i+5j).

a.

Find the angle between the acceleration and the vector i\mathbf{i}i.

[2]
b.

Find the magnitude of FFF.

[3]
Markscheme

3.3 R: Forces and Newton's laws Questions

  1. A Level
  2. /Maths
  3. /3.3 R: Forces and Newton's laws

139 exam-style questions on AQA A Level Maths 3.3 R: Forces and Newton's laws, covering 3.3.1 Concept of a force and Newton's first law, 3.3.2 Newton's second law, 3.3.3 Weight and motion under gravity, 3.3.4 Newton's third law and equilibrium, 3.3.5 Addition of forces and resultants (A-level only), and 3.3.6 Friction (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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