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

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Question 42

Use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.

A block of mass 8 kg is at rest on a rough horizontal plane. The coefficient of friction between the block and the plane is 0.25.

A horizontal force of magnitude 30 N is applied to the block.

Find the acceleration of the block.

[4]
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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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