How does a seat belt stop your body from moving in a forward motion in a car?
The seatbelt acts as an opposing force coming from the car.
The inertia from the seatbelt stops your body from moving forward when the car stops.
The seatbelt defies gravitational laws to help you from moving forward.
When a moving car suddenly stops, your body is still moving forward until the seatbelt stops you.

D, when a moving car suddenly stops, your body is still moving forward until the seatbelt stops you.

When things move, there is always friction. It's what makes cars move in the first place. The inside of the car doesn't move, however the wheels on the car are moving at a rapid pace. When the car stops violently, everything inside the car is thrown. The seat belt acts as a safety precaution if an accident happens.

Mark brainliest?

Since the pully is a simple machine so the mechanical advantage is a 1