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physical sience

QuestionAnswer
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 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 movement or a change in an object's position
position position is the place where an object is located
gravity gravity is a force that pulls things towards earth
the friction present, the an object in motion slows down blanks=more
the an object the less force you must apply to get it in motion blank=lighter
the more applied the more energy is released blank=force
Created by: user-1986951
 

 



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