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Law of Motion

Ch 7 Les 4

TermDefinition
force a push or a pull
friction a force that opposes motion and that occurs when things slide or roll over each other
inertia the tendency of an object to resist changes in its motion
acceleration the rate at which velocity is changing
deceleration the rate of slow down
velocity speed and direction
constant speed speed that does not change
varying speed speed that changes
1st law object at rest remains at rest, object in motion remains in motion
2nd Law mass and force
3rd Law action, reaction
gravity the force of attraction between any two objects that have mass
law of universal gravitation gravitational force depends on the mass of the two objects involved and on the distance between them
Created by: ldydye1
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