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![]() edHelper.com Simple Machines |
Lever, Wheel and Axle, and Pulley |
| edHelper's suggested reading level: | grades 5 to 7 | |
| Flesch-Kincaid grade level: | 5.49 |
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Lever, Wheel and Axle, and Pulley
By Sharon Fabian |
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1 The lever, the wheel and axle, and the pulley are three simple machines that have something in common. It's easy to see how the wheel and axle and the pulley are related; a pulley looks a lot like a wheel and axle with a rope over it. But what about the lever? A lever doesn't look much like a wheel and axle or a pulley. For starters, it isn't even round! So you may be surprised to learn that the lever is the basic simple machine that the other two are based on.