Why do seatbelts stop when you pull them hard?

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EDIT: I understand that it’s supposed to be for safety. I’m asking because I’ve only experienced the stopping mechanism when I pull. I’ve hit the brakes very abruptly before but nothing. Should I get it looked at?

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Anonymous 0 Comments

Imagine you get into a car crash. Your car stops where it is, but your body keeps moving until it hits something.

If you weren’t wearing your seatbelt, or its retention mechanism failed, then you’d fly forward and crush yourself against your steering wheel or the passenger dashboard or against the back of the seat in front of you.

Instead, the seatbelt is designed so that if it experiences such a rapid motion, it locks itself so that you *don’t* fly forward.

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