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	Simple Machines
	... They lifted them with the help of simple machines. Simple machines are a device that changes the size or direction of a force. ... There are four kinds of simple machines. ... For any of the simple machines to do a task, a force must be applied on the machine. ... Its sharp edge becomes another simple tool: the screw. ... Simple machines are great assistance to our every day lives, but we may not realize it. Simple machines help lots of things work including frigates, clocks, and even vehicles work. Approximate Word count = 828 Approximate Pages = 3.3 (250 words per page double spaced)

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