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8th Grade Motion

Matter in Motion

QuestionAnswer
Motion An object's change in position relative to a reference point
Speed The distance traveled divided by the time interval during which the motion occurred
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
Force A push or a pull exerted on an object in order to change the motion of the object; force has size and direction
Newton The SI unit for force (Symbol, N)
Net Force The combination of all of the forces acting on an object
Friction A force that opposes motion between two surfaces that are in contact
Created by: hardygrove1
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