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physical science

vocabulary

TermDefinition
simple machines simple machines make work easier
mass mass is the amount of matter that makes up an object
force force is a push or a pull
friction friction is a force that causes objects in motion to speed up or slow down when two surfaces rub together
speed speed is a measure of how far an object moves in a certain amount of time
motion a motion is a movement or change in an object's position
position position is the place where an object is located
gravity gravity is a force that pulls things toward Earth
friction slowing the more friction present, the more an object slows down
less force the lighter an object, the less force you must apply to get it in motion
more force the more force applied, the more energy is released
Created by: user-1962771
 

 



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