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Stack #215961

Science-Ch. 11 Voc.

force A push or a pull that makes something move or change direction.
gravity A force that pulls things toward Earth.
friction A force that slows down moving things.
simple machine Something that helps you lift or move an object.
lever A simple machine made of a bar that rests on a fixed point.
fulcrum The fixed point on which a lever rests.
ramp A simple machine with a slanted surface.
Created by: SVdP 2nd Grade