Pulleys / by Sally M. Walker and Roseann Feldmann ; photographs by Andy King.
What are pulleys? Look around and you will see that these machines are everywhere. Discover how they are used and how they make work easier!
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| Online Access: | Electronic book from EBSCO |
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| Format: | Electronic eBook |
| Language: | English |
| Published: | Minneapolis : Lerner Publications Co, ©2002. |
| Series: | Walker, Sally M. Early bird physics books.
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