What happens to the vehicle in a collision and the principal that apply here?

In a collision, a vehicle experiences rapid deceleration and may undergo deformation, damaging its structure and components. The principle of conservation of momentum explains how the momentum before the collision is transferred to the vehicles involved, affecting their motion post-collision. Additionally, Newton's third law states that for every action, there is an equal and opposite reaction, meaning the forces during the impact affect both vehicles. This can lead to injuries for occupants due to the forces experienced, emphasizing the importance of safety features like seatbelts and airbags.