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Motion

Chapter 5 Science Vocabulary

TermDefinition
motion when an object changes position over time relative to a reference point
speed the distance traveled by an object divided by the time taken to travel the distance
velocity the speed of an object in a particular direction
acceleration the rate at which velocity changes
newton unit used to measure force
net force combination of forces acting on an object
friction a force that opposes motion between objects that are in contact
gravity the force of attraction between objects that is due to their masses
weight the measure of the gravitational force on an object
mass the amount of matter in an object
force a push or pull
Created by: cgamard
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