Pulling up : the pulley
Pulling Up explores the benefits and uses of the pulley. This clever device uses rope wound over a grooved wheel to help lift heavy loads. RobbO and RobbEE use a pulley to remove the engine from their car.
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| Format: | BOOK |
| Language: | ENGLISH |
| Published: |
Crabtree Publishing
2014
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| Series: | The robotx get help from simple machines |
| Subjects: |