Wednesday, March 25, 2009

Simple machines

I did not know that simple machines could be used for so many things.I did not know that there were so many simple machines.
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1 comment:

Mickey Gentry said...

I know there's a lot of simple machines. I found out that a broom is a lever and one of your hands acts as a fulcrum. =p

March 25, 2009 at 7:42 PM

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