elastic collision

Energy-preserving bounce

An elastic collision is one in which kinetic energy is conserved—the total energy of motion before and after impact remains the same.

In everyday collisions, some energy converts to heat, sound, or deformation, but perfectly elastic collisions occur between atoms and subatomic particles: Billiard balls approximate an elastic collision.

Contrasts with inelastic collision, where kinetic energy is lost.

billiards

cue ball

Unmarked billiard striker

carom · cushion · pocket · snooker · pool · English · side spin · deflection · angle · rack

kinetic

kinetic energy

Power from movement

rebound · transfer · joules · speed · motion · impact · dynamics · mechanics · kinematics · trajectory

momentum

momentum

Product of mass, velocity

velocity · vector · linear momentum · Newton's cradle · recoil · exchange · before and after · closed system

particle

scattering

Distribution in many directions

molecules · nuclei · subatomic · accelerator · cross-section · target · projectile · beam · interaction · nuclear

Opposites
kinetic energy conservation

elastic collisioncoalescence

Uniting into one mass

absorption

deformation permanence

elastic collisionplastic deformation

Lasting material distortion under stress

crumpling

Family

elastic, collision, elasticity, elastically, inelastic, collide, collides, collided, colliding

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