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Sc 24
Chapter 16
Question | Answer |
---|---|
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. |