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5.6 Forces and motion

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Question 5
H

A car travelling at 22 m/s brakes and comes to rest.

a.

The braking distance of the car is 44 m. Calculate the deceleration of the car. Use the equation v2−u2=2asv^2 - u^2 = 2asv2−u2=2as.

[3]
b.

The mass of the car is 1300 kg. Calculate the size of the braking force.

[2]
c.

Explain what happens to the energy of the car as it brakes.

[2]
Markscheme

5.6 Forces and motion Questions

  1. GCSE
  2. /Physics
  3. /5.6 Forces and motion

38 exam-style questions on AQA GCSE Physics 5.6 Forces and motion, covering 5.6.1 Describing motion along a line, 5.6.2 Forces, accelerations and Newton's Laws of motion, and 5.6.3 Forces and braking. Each one has a worked solution and a mark scheme showing where the marks go.

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