Pulleys
Each book focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines pulleys and uses simple language and labeled photographs to explain the scientific principles behind their use.
| Main Author: | |
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| Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
Capstone
2019
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| Series: | Acorn |
| Subjects: |