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MOTION :O

unit1

TermDefinition
position the location of an object.
reference point a location to which another location is compare d.
motion an objects change in position relative to a reference point.
speed the distance traveled divided by the time interval during which the motion occurred.
vector a quantity that had both size and direction.
velocity the speed of an object in a particular direction.
acceleration the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change.
centripetal acceleration the acceleration directed toward the center of a circular path.
force a push or pull exerted on an object in order to change the motion of an the object; force has size and direction.
net force the combination of all of the forces acting on an object.
inertia the tendency of an object to resist a change in motion unless an outside force acts on the object.
gravity a force of attraction between objects that is due to their masses.
freefall the motion of a body when only the force of gravity is acting on the body.
orbit the path that a body follows as it travels around another body in space.
fluid a non-solid state of matter in which that atoms or molecules are free to move past each other, as in a gas or liquid.
pressure the amount of force exerted per unit area of a surface.
pascal the S1 unit of pressure
atmospheric pressure the pressure cause by the weight of the atmosphere.
buoyant force the upward force that keeps an object immersed in or floating on a liquid.
Archimedes' principle the principle that stated that the buoyant force on a object in a fluid is an upward force equal
Created by: 18talmosawi1031
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