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5.6 Forces and motion

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Question 10
H

A car of mass 1400 kg is travelling at 27 m/s on a motorway. The driver makes an emergency stop and the car comes to rest in about 3.0 s.

a.

Estimate the deceleration of the car.

[2]
b.

Estimate the size of the braking force acting on the car.

[2]
c.

The answer to part b) is an estimate rather than an exact value. Give one reason why.

[1]
d.

Explain why a deceleration of this size can be dangerous.

[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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