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Physics

Grade 12: Momentum and Impulse

TermDefinition
Momentum The product of an object's mass and its velocity.
Newton's second law of motion in terms of momentum The net (or resultant) force acting on an object is equal to the rate of change of momentum of the object in the direction of the net force.
Impulse The product of the resultant/net force acting on an object and the time the net force acts on the object.
Isolated system A system on which the net external force is zero.
Principle of conservation of linear momentum The total linear momentum of an isolated system remains constant (is conserved).
Elastic collision A collision in which both total momentum and total kinetic energy are conserved.
Inelastic collision A collision in which total momentum is conserved, but total kinetic energy is not conserved.
Created by: StiKManLabs
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