Devices such as seat belts and airbags are used to protect passengers from which one of Newton's Laws?

The first Newton's Laws explains why seat belts and airbags are so important. The law is called The Car and The Wall.

Explanation:

Seat belts and airbags are for your safety and you should always follow the law. According to Newton's first law, an object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Any passengers in the car will also be decelerated to rest if they are strapped to the car by seat belts.