What is a wheel and axle? / Douglas, Lloyd G

ISBN13: 
9780329322106
9780516240275
LCCN: 
2002001412
Compare Title: 
whatisawheelandaxle
Call Number: 
621.8

What is a wheel and axle?

2002
Introduces the wheel and axle as a simple machine that can make it easier to move heavy objects, as well as to flatten dough.
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