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8.1 Physics on the move

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Question 17
F

Which statement describes how the braking distance of a car changes as its speed increases?

[1]
A

It increases, and doubling the speed makes it four times as long

B

It increases, and doubling the speed makes it twice as long

C

It stays the same, because the braking force does not change

D

It increases by the same amount for each extra 1 m/s1\ \text{m/s}1 m/s

Markscheme

8.1 Physics on the move Questions

  1. GCSE
  2. /Physics
  3. /8.1 Physics on the move

50 exam-style questions on OCR GCSE Physics 8.1 Physics on the move, covering 8.1.1 Typical everyday speeds, 8.1.2 Typical everyday accelerations, 8.1.3 Ratios, units and rates on the road, 8.1.4 Human reaction times, 8.1.5 Factors affecting stopping distance, 8.1.6 Stopping distances at different speeds, 8.1.7 Dangers of large decelerations, 8.1.8 Estimating forces in road situations, and 8.1.9 Estimating the effects of large accelerations. Each one has a worked solution and a mark scheme showing where the marks go.

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