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Sc 24

Chapter 16

Engineered Safety Safety features are made to slow down the collisions. This results in the car passengers experiencing less force and will receive fewer injuries.
Crash Test Dummies These are dolls that are made as human like as possible to record information about collisions
Crumple Zones These are parts of cars designed to be crushable and reduce the force felt. Area include hood, doors and the trunk
Restraining Features These features hold the occupant in one place • Ex. Seat belts, air bags and head rests
Operational Features These features operate to keep you safe while driving • Ex. Headlights, brake lights and rear/side mirrors
Rigid structural features built to no break or bend under extreme pressure, heavy car frame, roll cage or side impact beams.
Crumple Zone Structural features designed to be crushed to help absorb the force of impacts, hood, trunk or fenders.
Crash Barriers Barrels filled with water or sand to burst and crumple
Guardrails These will bend but no break to help lower momentum. They also help prevent rollovers and bouncing back into traffic.
Street Lights Designed to control flow of traffic, but if hit the posts are made to break away and not be rigid
2 point seat belt Also called a lap belt, this simply goes across the persons pelvis
3 point seat belt This is also called a shoulder harness, this is the lap belt, but also goes across the shoulder to the hip to help hold the whole body in place.
Air Bag Inflatable "bag" that is meant to go off in case of an accident to protect passengers.
Retractor unit maintains tension on the belt and keeps it snug to your body. Also during a sudden stop the ratchet stops the seat belt from coming out, thus holding you in place
Webbing Made of thin strand of nylon or polyester, it can stretch up to 10-15%, this allows a gradual stretch to help reduce the force but also holding the person in place.
Created by: Meads
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