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Pulleys and Gears (Machines in Action)

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Pulleys and Gears (Machines in Action)

What pulls a flag up a flagpole? How does a bicycle chain help the bicycle move? What makes an escalator move? Pulleys and gears are simple machines that can be used to make other machines work. When you take an escalator, ride in a car, use a fishing rod, or wear a watch you are using pulleys and gears. Pulleys and Gears explains what these machines are and how they help you do everyday things.

Country	USA
Author	Angela Royston
Binding	Paperback
EAN	9781403440853
ISBN	1403440859
Label	Heinemann
Manufacturer	Heinemann
NumberOfItems	1
NumberOfPages	32
PublicationDate	2003-07-03
Publisher	Heinemann
Studio	Heinemann
ReleaseDate	0000-00-00

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