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Chapter 11 Vocab

Physical Science

TermDefinition
Frame of Reference System of objects that are not moving with respect of one another.
Relative Motion Movement in relation to a frame of reference.
Resultant Vector Sum of two or more vectors.
Speed Ratio of the distance an object moves to the amount of time the object moves.
Average Speed Total distance traveled, divided by the time it takes to travel that distance.
Instantaneous Speed The rate at which an object is moving at a given moment in time.
Velocity The speed and direction in which an object is going.
Acceleration Rate at which velocity changes.
Free Fall Movement of an object toward Earth solely because of gravity.
Constant Acceleration Steady change in velocity.
Linear Graph Displays data from straight-line parts.
Nonlinear Graph Curve connects the data points that are plotted.
Distance Length of a path between two points.
Created by: vanessa.sarver
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