Notes 12-2-09

Notes 12-2-09 - Work ­ a force does "work" on an...

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Unformatted text preview: Work ­ a force does "work" on an object only when the object moves and the force is pointed in the direction that the object is moving (we call this positive work). A force does negative work when the force is directed in the opposite direction of the object's motion. 1 2 3 ...
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This document was uploaded on 01/30/2011.

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