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Impact Time and Car Safety


AS level Physics (GCSE) Flashcards on Impact Time and Car Safety, created by Sarah Collinson on 05/01/2016.
Sarah Collinson
Flashcards by Sarah Collinson, updated more than 1 year ago
Sarah Collinson
Created by Sarah Collinson over 6 years ago

Resource summary

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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