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Motion and Forces

TermDefinition
Position describes the location of an object
reference point a location to which you compare other locations
motion change in position over time
speed a measure of how far something moves in a given amount of time (s=d/t)
vector quantity that has both size and direction
velocity speed in a specific direction
acceleration the rate at which velocity changes
centripetal acceleration acceleration in a circular motion
force a push or pull
net force the combination of all the forces acting on an object
inertia the tendency of all objects to resist a change in motion
gravity force of attraction between two objects due to their mass
free fall when gravity is pulling down and no other force is acting on something
orbit when something travels around another object in space
Created by: dschlake
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