# chapter 11 Vocabulary (Science)

 A push or a pull Force The combination of all the forces acting on an object Net Force Two or more forces exerted o an object Balanced Forces Two or more forces acting on an object that do not cancel, and cause the object to accelerate Unbalanced Forces 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 The force that brings nearly everything to a stop Friction 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 an object is the size of the gravitational force exerted on an object. Weight the point in an object that moves as if all the object's mass were concentrated at that point Center of mass forces always act in equal but opposite pairs Newton's third law of motion AuthorOdera ID99207 Card Setchapter 11 Vocabulary (Science) Descriptionchp. 10a pusA Updated2011-09-13T17:46:34Z Show Answers