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Stack #4670306

Simple machinesmakes work easer
mass the amount of matter that makes up an object.
force is push or pull
friction a force that causes objects to speed up or slow down when 2 surfaces rub together
speed speed is a measure of how far an objects moves in a certain time.
motion movement or a charge in an objects position.
position place where an object is located.
gravity pulls things toward earth.
Created by: user-2013862
 

 



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