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Motion and forces

unit 1 lesson 1-4

TermDefinition
Position describes the location of an object.
ReferencePoint A location to which another location is compared
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 has both size and direction.
Velocity the speed of an object in a particular direction.
Acceleration the rate at which velocity changes over time.
Centripetal acceleration the acceleration directed toward the center of a circular path.
Force a push or a pull exerted on an object in order to change the motion of the object.
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 mass
free fall 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.
Created by: 18whitez0430
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