Car Safety

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Seat Belts

Stop you tumbling inside a car during a collision

Stretch during a collision.

Increases time taken for change in momentum. 

Reduces forces on body.

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Air Bags

Increase time taken for heads momentum.

Reduces forces.

Act as cushion.

Prevent Cuts

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Crumple Zones

Crush in a controlled way in a collision. 

Increase time taken to change momentum.

Reduces forces.

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Prevents skidding.

Stops quicker- more friction.

Brakes pump on and off quickly.

Reduces braking distance

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