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Unit 1 Motion

Unit 1

TermDefinition
acceleration the rate at which velocity changes
velocity speed in a specific direction
vector a quantity that has both size and direction
speed an object is a measure of how far something moves in a given amount of time
motion a change in position over relative to a reference point
reference point a location to which you compare other locations
Position describes location of an object
centripetal acceleration acceleration in circular motion
force simply a push or pull
net force combination of all the forces acting on an object
interia the tendency of all objects to resist a change in motion
gravity a force of attratction between objects due to their mass
free fall when gravity is pulling it down and no other forces are acting on it
orbit when it travels around another object in space
pressure the measure of how much force is acting on a given area
pascal The SI unit pressure
fluid any material that can flow and that takes the shape of its container
atmospheric pressure pressure caused by the weight of the atomosphere
buoyant force an upward force that fluids exert on all matter
Archimedes' principle states that the buoyant acting on an object in a fluid is an upward force equal to the weight of the fluid that the object displaces
Created by: 18mcclurem0330
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