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Forces and Friction

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Question 25

A block of mass 2kg is at rest on a rough plane inclined at an angle of θ∘ \theta^\circ\,θ∘ to the horizontal where tan⁡θ=815\displaystyle \tan \theta = \frac{8}{15}tanθ=158​. The block is released from rest. The coefficient of friction between the block and the floor is 0.3.

Diagram for question 5: A block on an inclined plane at angle theta to the horizontal.

Find the acceleration of the block, giving your answer in exact form.

[9]
Markscheme

Forces and Friction Questions

  1. A Level
  2. /Maths
  3. /Forces and Friction

108 exam-style questions on Edexcel A Level Maths Forces and Friction, covering 5.1 Resolving Forces, 5.2 Inclined Planes, and 5.3 Friction. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank