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Motion and Forces

Unit 1, Lessons 1-4

TermDefinition
Position The location of an object
Reference Point 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; 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; force has size and direction.
Net force Net 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
Free Fall The motion of a body when only the force of gravity is acting on a body
Orbit THE PATH OF A BODY FOLLOWS AS IT TRAVELS ACTING ON AN OBJECT
Created by: 18allisont0417
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