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Ch.1 Motion

Motion and Acceleration

QuestionAnswer
An object is in ____________ if its distance from another object is changing. motion
A system of measurement used all over the world. International System of Units (SI)
The distance an object travels per unit of time. Speed
The basic SI unit of length. meter
Major piece of Earth's crust. plate
The rate at which velocity changes. acceleration.
Place or object used for comparison to see if an object is in motion. Reference point
The theory tha pieces of Earth's outer layer are in constant motion. Theory of Plate Tectonics
Overall rate of speed at which an object moves. Average speed
Speed of an object at a given instant of time.` Instantaneous speed
Steepness of a line on a graph. slope
Created by: brouwer
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