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Kramer, Motion

Kramer, Motion Chap. 2

QuestionAnswer
Newton's First Law An object in motion stays in motion and an object at rest stays at rest, unless acted on by an outside force.
Newton's Second Law Force equals mass times acceleration
Newton's Third Law For every action there is an equal but opposite reaction.
Force A push or a pull
Friction The attractive force between particles that slows down two objects that slide against each other.
Balanced Forces When the net force on an object equals zero and the object does not move.
Unbalanced Forces When the net forces on an object are not equal and the object moves.
Net Force The sum of all the forces acting on an object
Weight The force that gravity exerts on an object.
Mass How much space an object takes up.
Center of Mass Point in a object that moves as if all of the object's mass were concentrated at that point.
Created by: marilyn.kramer
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