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Marissa Russo

Chapter 11 Vocabulary

Frame of Reference A system of objects that are not moving with respect to one another.
Relative Motion Movement in relation to a frame of reference.
Distance The length of the path between two points.
Vector A quantity that has a direction associated with it.
Resultant Vector The vector sum or two or more vectors.
Speed The ration of the distance an object moves to the amount of time the object moves.
Average Speed The total distance traveled divided by the time it takes to travel the distance.
Instantaneous Speed The rate at which an object is moving at a given moment in time.
Velocity The speed and direction an object is moving measured relative to reference point.
Acceleration The rate at which velocity changes.
Free Fall The movement of an object towards Earth because of gravity.
Constant Acceleration A steady change in velocity.
Linear Graph A graph in which the displayed data forms a straight line.
Nonlinear Graph A graph in which the displayed data form a curved line.
Created by: marissa.russo