Momentum

Physics

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Definition of momentum

The product of mass and velocity

Quantity category for momentum

Vector quantity

S.I. unit of momentum

Principle of Conservation of Momentum

Sum of Momentum Before Reaction = Sum of Momentum After Reaction

Elastic collision

Momentum, total energy and kinetic energy are all conserved

Elastic collision formula

Inelastic collision

Momentum and total energy conserved, but kinetic energy is not conserved.

Inelastic collision formula

Explosion

The total momentum before and after the explosion is zero

Explosion formula

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