Which statement best describes the primary benefit of wearing a seat belt?

• A. It guarantees you won't be involved in a crash.
• B. It reduces injury and death by restraining occupants in a crash.
• C. It helps your car accelerate faster.
• D. It prevents the vehicle from rolling.

Answer: (B)

Wearing a seat belt primarily protects you by restraining you during a crash, which greatly lowers the chance of serious injury or death. In a crash, unbelted passengers can be thrown around inside the car or ejected, leading to severe injuries or fatalities. A seat belt keeps you in the seat, slows your body’s forward motion more gradually, and spreads the forces across stronger parts of your body like the hips and chest. It also helps airbags work effectively by keeping you in the correct position. So the main benefit is reducing injury and death by restraining occupants in a crash. The other statements aren’t correct because a seat belt doesn’t prevent crashes from happening, doesn’t make the car accelerate faster, and doesn’t prevent a vehicle from rolling.