Put Pulleys to the Test

Put Pulleys to the Test
ISBN-10
0761380086
ISBN-13
9780761380085
Category
Juvenile Nonfiction
Pages
40
Language
English
Published
2011-08-01
Publisher
Lerner Publications
Authors
Sally M. Walker, Roseann Feldmann

Description

What do flagpoles and some window blinds have in common? They use pulleys to perform work!

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