A lever of the first class, Physics

A lever of the first class

Saw off a stick or board so that it is the similar height as a heavy desk or table in the classroom. Place another stick about the similar length on this. Place the end of this stick under the edge and use it as a lever to lift the desk or table.

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Posted Date: 5/18/2013 2:41:37 AM | Location : United States







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