EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a head-on car crash, passengers not wearing seat belts continue to move forward with the same ____ that the car had prior to impact.
A
momentum
B
force
C
potential energy
D
speed
Explanation: 

Detailed explanation-1: -A driver can be ticketed simply for not wearing their seat belt. The Florida Department of Highway Safety and Motor Vehicles (FLHSMV) advises everyone in a vehicle to wear a seat belt correctly every time they are in a car or truck.

Detailed explanation-2: -If the car were to abruptly stop and the seat belts were not being worn, then the passengers in motion would continue in motion. Assuming a negligible amount of friction between the passengers and the seats, the passengers would likely be propelled from the car and be hurled into the air.

Detailed explanation-3: -A seatbelt expands the stopping force required to decelerate the rider across their body. This stops the body from hitting the steering column or windshield of a high-speed car, which could easily result in injury or even death.

Detailed explanation-4: -Seat belts The person moves against the seat belt, exerting a force on it. The seat belt then exerts a force back on the person (Newton’s Third Law).

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