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4.9 Forces and Newton's laws (A-level only)

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Question 16

A heavy trunk of mass 50 kg is at rest on a rough stone floor. The coefficient of friction between the trunk and the floor is 0.3. A person exerts a pulling force of F F\,F N at an angle of 40∘ 40^\circ\,40∘ to the horizontal. The trunk is in limiting equilibrium.

Find the value of FFF.

[8]
Markscheme

4.9 Forces and Newton's laws (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.9 Forces and Newton's laws (A-level only)

104 exam-style questions on WJEC A Level Maths 4.9 Forces and Newton's laws (A-level only), covering 4.9.1 Forces and Newton's laws (A-level only), 4.9.2 Forces and Newton's laws (A-level only), 4.9.3 Forces and Newton's laws (A-level only), 4.9.4 Forces and Newton's laws (A-level only), and 4.9.5 Forces and Newton's laws (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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