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unit 1 motion

lessons 1-4 8th grade

TermDefinition
position describes the location of an object
reference point is a location to which you compare other locations
motion is a change in position over time
speed is a measure of how far something moves in a given amount of time
vector is a quantity that has both size and direction
velocity is speed in a specific direction
acceleration is the rate of change in postion
centripetal acceleration acceleration in circular motion
force is simply a push or pull
net force the combination of all the forces acting on one object
inertia is the tendency of all objects to resist a change in motion
gravity is a force of attraction between objects due to their mass
free fall when gravity is pulling down and no other forces are acting on it
orbit when it travels around another object in space
fluid is any material that can flow and that takes the shape of a container
pressure is the measure of how much force is acting on a given area
pascal the SI unit for pressure
atmospheric pressure the pressured caused by the weight of the atmosphere
buoyant force is an upward force that fluids exert on all matter
archimedes'priciple
Created by: 18quernheimc0517
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