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Forces and Motion

Unit 1

TermDefinition
Motion a change in an object's position
speed how fast an object's position changes over time at any given moment
velocity the speed and direction of an object
acceleration a change in velocity over time
force any push or pull
inertia the tendency of an object in motion to stay in motion or of an object at rest to stay at rest
friction a force between surfaces that slows objects or stops them from moving
gravity the force that is pulling you and earth together
balanced forces when forces act on an object without changing its motion
energy the ability to do work
collision occurs when 2 or more objects hit each other with a force
conservation of energy energy cannot be created or destroyed; it can only change form
energy transfer the movement of energy from one object to another
Created by: kbreaux
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