5297018
Description
Flashcards by Sarah Collinson, updated more than 1 year ago
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Created by Sarah Collinson
over 10 years ago
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| Question | Answer |
| What is the effect on force as impact time increases? | Force decreases |
| What is impact time? | The time taken for a collision to take place |
| What is the purpose of a crumple zone? | It increases impact time, reducing impact force |
| What is the purpose of side impact bars? | To increase impact time, reducing impact force |
| What do seatbelts and air bags do? | Spread the forces on the body across a larger area |
| Why does an air bag help to protect the driver? | Causes the driver's head to change momentum slowly, reducing the impact force |
| Why does a seatbelt stretch? | To increase impact time and reduce impact force |
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