Levers lessen the load
"A lever is one of six simple machines that are designed to make different kinds of work easier. Lifting, pulling, pushing--all these tasks are more efficient when you use a simple machine. In Levers Lessen the Load: Simple Machines for Kids, readers learn how levers and fulcrums can help us mo...
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| Format: | Book |
| Language: | English |
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Norwich, VT :
Nomad Press
2023.
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| Series: | Diehn, Andi. Simple machines for kids.
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