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Third-class lever station

Third-class lever station

A third-class lever made with a wooden ruler and a 100 gram mass being measured by a spring scale

<img typeof="foaf:Image" src="http://statelibrarync.org/learnnc/sites/default/files/images/third_class_lever_station.jpg" width="800" height="600" alt="Third-class lever station" title="Third-class lever station" />
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