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Collisions
A collision occurs when two or more objects come into contact and exert forces on each other over a short period of time.
Impulse
The product of force and time (F×Δt), representing the change in momentum.
Momentum
A measure of motion that combines mass and velocity, calculated as p = mv where p is momentum (kgâ‹…m/s), m is mass (kg), and v is velocity (m/s).
The Coefficient of Restitution
The Coefficient of Restitution (COR) is a measure of how much kinetic energy remains after a collision between two objects. It determines the elasticity of the impact, affecting how much an object bounces back after hitting a surface.