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Where do typical car seat belts apply most of the stopping force?
to the shoulders and hips
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How far behind the steering wheel should you sit to avoid injury from an inflated airbag?
A. 8 in B. 10 in C. 5 in
B. 10 in
Placing yourself 10 inches (25.4 centimeters) away from the airbag gives you a clear margin of safety. You can measure this distance from the center of the steering wheel to your breastbone. |
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What area of a car is designed to deform in a collision?
A. The doors B. The interior C. The crumple zone
The crumple zone
Instead of the entire car coming to an abrupt stop when encountering an obstacle, the crumple zone absorbs some of the force from the impact, preventing it from being transmitted to the occupants. |
When is a child ready to use an adult seatbelt?
A.When they weigh more than 40 pounds B. When they're six years old C. When they're around 4 feet, 9 inches
C. when they're around 4 feet, 9 inches
Children ready to use an adult seatbelt without the aid of a booster seat will be around 4 feet, 9 inches (1.5 meters) tall and about eight years old. Since children greatly vary in size by age, some may not be ready to use an adult seatbelt until the age of 10 or older. |
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What's the primary advantage of anti-lock braking systems (ABS)?
A. They allow you to stop easier B. They allow you to steer while braking C. They prevent locking
They allow you to steer while braking
When you press the brakes, ABS pumps the brakes many times per second, preventing wheel lockup and helping you to maintain steering control. |
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By what percentage can airbags reduce the risk of dying in a direct frontal crash?
A. 20% B. 30% C. 50%
B. 30%
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What kind of gas inflates an airbag?
A. Hydrogen B. Helium C. Nitrogen
C. Nitrogen
Upon impact, the inflation system reacts sodium azide with potassium nitrate to produce nitrogen gas that inflates the airbag. |
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