Flash Cards

Chapter 1 Vocabularies

Term Definition
Reference point The starting point you choose to describe the location, or position, of an object.
Position An object distance and direction from a reference point.
Motion A process of changing position.
Displacement The difference between the initial position and the final position of an object.
Speed A measure of the distance an object travels per unit of time
Constant speed The rate of change of position in which the same distance is traveled each second.
Instantaneous speed Speed at a specific instant in time.
Average speed The total distance traveled divided the total time taken to travel that distance.
Velocity The speed and the direction of a moving object.
Acceleration A measure of the change in velocity during a period of time.

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