conservation of momentum
Velocity times mass persists
Conservation of momentum is a principle in physics stating that the total momentum of a closed system remains constant unless acted upon by external forces.
When objects collide or interact, momentum transfers between them, but the total stays the same: The conservation of momentum explains why a gun recoils when fired.
This principle underlies everything from billiard ball collisions to rocket propulsion.
- collisionForceful contact between objects
- car crashVehicular collision incident
- velocityDirected rate of motion
- massQuantity of matter
- NewtonFamous scientific surname
impulse · inertia · recoil · billiards · pool table · Newton's cradle · crash · elastic · kinetic · physics · rocket · thrust · rocket propulsion · action · reaction · action reaction · bounce · transfer
conservation of momentumconservation of energy
Energy transforms, never vanishes
conservation of momentumperpetual motion
Unending movement without input
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