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Chapter 1- Motion

TermDefinition
Motion The state in which one object's distance from another is changing.
Reference Point A place or object used for comparison to determine if an object is in motion.
International System of Units A system of measurement based on multiples of ten and on established measures of mass, length, and time.
Distance The length of the path between two points.
Speed The distance an object travels per unit of time.
Average Speed The overall rate of speed at which an object moves; calculated by dividing the total distance an object travels by the total time.
Instantaneous Speed The speed of an object at one instant of time.
Velocity Speed in a given direction.
Slope The steepness of a graph line; the ratio of the vertical change (the rise) to the horizontal change (the run).
Acceleration The rate at which velocity changes.
Created by: 15nguyenhop
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