What is the definition of force of impact?

The correct definition of force of impact is the force generated when objects meet. This occurs during a collision, where the kinetic energy of the vehicles is converted into other forms of energy upon impact, such as deformation of the vehicles and heat. The magnitude of the force of impact depends on various factors, including the speed of the vehicles at the point of collision, their masses, and the angle at which they collide. Understanding this concept is crucial for drivers, as it highlights the importance of speed and vehicle mass in determining the severity of accidents.

The other definitions provided do not accurately reflect the concept of force of impact, as they relate more to dynamics of motion and physical forces acting on a vehicle rather than the specific interaction occurring during a collision.