collisional dynamics

Collisional dynamics studies how particles or objects interact and exchange energy or momentum when they come into contact or collide. It helps us understand how gases behave, how stars interact in galaxies, or how billiard balls respond when they strike each other. The focus is on the physics governing these collisions—whether they are elastic (no energy loss) or inelastic (energy lost). By analyzing these interactions, scientists can predict particle movement, system evolution, and the properties of the material or environment involved.