Dosiero:Balance scale.jpg
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Español: Balanza de platillos
from en wikipedia. This ray-traced image of a balance shows two plates upon which known and unknown masses can be placed. The needle in the middle of the balance rod will point directly up when the masses are exactly balanced.
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag. |
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![[1]](http://www.ornl.gov/sci/scale/images/scale_wallpaper.gif){kind=link}
