Seat Belts Mean Safety
Seat belts have been keeping people safe in cars for more than fifty years. The best new ones go across a person’s chest and waist. These belts keep a person’s whole body from moving around. As a result, fewer people get hurt in car accidents.
That’s Engineering!
Seat belt – When in motion, the driver and passengers are traveling at the same speed as the car. If the car suddenly stops or crashes, the driver and passengers continue at the same speed the car was going before it stopped. A seatbelt applies an opposing force to the driver and passengers to prevent them from falling out or making contact with the interior of the car. Seatbelts are considered Primary Restraint Systems (PRS), because of their vital role in occupant safety.
Engineering ideas
- motion, speed, force, restraint
- design – to draw plans for the form or structure of something.
- process – changes or acts that happen one after another
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