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Science ch.5

TermDefinition
Motion an objects change in position relative to a reference point
Speed he 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 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.
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.
Gravity a force of attraction between objects that is due to their masses.
Weight a measure of the gravitational force exerted of an object; its value can change with the location in the universe.
mass a measure of the amount of matter in an object
Created by: ethan hauf
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