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ch 5 holt

ch 5 physical science holt book

QuestionAnswer
what is motion an objects change in position relative to a reference point
what is speed the distance traveled divided by the time interval during which the motion occured
what is velocity the speed of an object in a particular direction
what is acceleration the rate at which velocity changes over time
what is force a push or pull exerted on an object in order to change the motion of the object
what is newton the si unit for force
what is net force the combination of all forces acting on an object
what is friction a force that opposes motion between two surfaces that are in contact
what is gravity a force of attraction between two objects that is due to other masses
what is weight a measure of the gravitational force exerted on an object
what is mass a measure of the amount of mater in an object
Created by: ray767
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