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MOTION

Unit 1

TermDefinition
position describes the location of an object
reference point a location to which you compare other locations
motion a change in position over time
speed a measure of how far something move in given amount of time
vetor a quantity that has both speed and direction
velocity a speed in a specific direction
acceleration the rate at which velocity changes
centripetal accelration acceleration in a circular motion
force push or pull
net force the combination of all forces acting on an object
inertia the tenancy of all objects to resist change in motion
gravity a force of attraction between objects based on their mass
free fall when gravity is pulling on something and no other forces are acting upon it
orbit when it travels around another object in space
fluid any material that can flow and takes the shape of its container
pressure the measure of ow much force is acting on a given area
pascal the SI unit for pressure
atmospheric pressure the pressure caused by the weight of the atmosphere
buoyant force an upward force that liquids exert on all matter
Archimedes' principal states that buoyant force acting on an object in liquid is an upward force equal to the weight of fluid that the object displaces
Created by: 18dcasteel1228
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