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Gullett-Phys-Ch6
Physics-Ch6-Momentum
Term | Definition |
---|---|
momentum | inertia in motion |
momentum= | mass x velocity |
impulse | the product of the force acting on an object and the time during which it acts. (force x time interval) |
impulse= | change in momentum |
law of conservation of momentum | in the absence of an external force, the momentum of a system remains unchanged. (net force before collision = net force after collision) |
elastic collision | a collision in which collinding objects rebound without lasting deformation or the genration of heat |
inelastic collision | a collision in which the colliding objects become distorted, generate heat, and possible stick together |