# chapter 11 Vocabulary (Science)

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1. A push or a pull
Force
2. The combination of all the forces acting on an object
Net Force
3. Two or more forces exerted o an object
Balanced Forces
4. Two or more forces acting on an object that do not cancel, and cause the object to accelerate
Unbalanced Forces
5. If the net force acting on an object is zero, the object remains at rest, or if the object is already moving, continues to move in a straight line with constant speed
Newton's First Law of Motion
6. The force that brings nearly everything to a stop
Friction
7. the acceleration of an object equals the net force divided by the mass and is in the direction of the net force
Newton's second law of motion
8. an object is the size of the gravitational force exerted on an object.
Weight
9. the point in an object that moves as if all the object's mass were concentrated at that point
Center of mass
10. forces always act in equal but opposite pairs
Newton's third law of motion
 Author: Odera ID: 99207 Card Set: chapter 11 Vocabulary (Science) Updated: 2011-09-13T17:46:34Z Folders: Description: chp. 10a pusA Show Answers: