Cars are equipped with air bags to protect vehicle occupants from injuries. The role of the air bag is to
A) increase the average forces required to bring the passenger to rest by increasing the change in momentum experienced by the human body.
B) decrease the average forces required to bring the passenger to rest by increasing the change in momentum experienced by the human body.
C) increase the average forces required to bring the passenger to rest by increasing the time interval over which those forces act.
D) decrease the average forces required to bring the passenger to rest by increasing the time interval over which those forces act.

Question

Quizplus · Accepted Answer

Air bags work by increasing the time interval over which the forces act on the passenger during a crash, which decreases the average force required to bring the passenger to rest, thereby reducing the likelihood of injury.

Cars Are Equipped with Air Bags to Protect Vehicle Occupants