The three stages of a collision are: pre-crash, crash, and post-crash. three stages of a collision in our content. You can even visit other links
and access all the detailed information if you wish.
A collision occurs when two or more objects come into contact with each other. The three stages of a collision are the contact stage, the compression stage, and the restitution stage.
Site:
https://www.physicsclassroom.com/class/momentum/Lesson-3/The-Three-Stages-of-Collision
The three stages of collision are the contact stage, the compression stage, and the restitution stage.
Site:
https://www.askiitians.com/iit-jee-mechanics/collision-three-stages.html