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8.1 Physics on the move

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Question 26
H

A passenger of mass 70 kg is in a car travelling at 15 m/s. The car crashes. A seat belt stops the passenger in 300 ms.

What is the average force exerted on the passenger by the seat belt?

[1]
A

3500 N3500\ \text{N}3500 N

B

3.5 N3.5\ \text{N}3.5 N

C

315 N315\ \text{N}315 N

D

1050 N1050\ \text{N}1050 N

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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