If you are meaning in relationship to persons in the vehicle, the first impact is the vehicle with an object, the second impact is the person in the vehicle with the vehicle, the third impact is internal body organs with the skeleton of the person or other inside body parts.
The cast of Impact After the Crash - 2013 includes: Karolyn Nunnallee
to absorb the impact of the crash
London
The impact of the crash caused the air bag to deploy.
Impact, Smash, Crash
its where you start after you crash in the beginning of the game
collision
Impact sensors
hello
Science is used in every area of safe car design . Formulas for safe braking distance, for momentum and crash impact at certain speeds. Chemistry of materials to build cars so they will absorb impact. Mathematics of the center of gravity for vehicles. Newtons third law, every action has an equal and opposite reaction. Even science of visibility of equipment like headlights, reflectors brake lights and turn signals.
-Millions were in debt.-Unemployment had risen