chapter 19 vocabulary (:
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Created by:
alexishaycraft on November 10, 2011
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9 terms
Terms | Definitions |
|---|---|
 Force | A push or a pull |
| Net Force | Combination of all forces acting on an object and they dont change its velocity |
| Balanced Forces | 2 or more forces acting on an object and they change its velocity |
| Newtons 1 law | an object at motion stay at motion an abject a rest stay at rest if not acted by another force |
| friction | force that brings objects to a stop resists sliding between 2 touching surfaces |
| newtons 2 law | acceleration = force divided by mass |
| weight | size of gravitation force exerted on the object |
| center of mass | the point in an object that moves as if all the objects mass were concentrated at that point |
| newtons 3 law | force always act in = but opposite pairs |
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