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Chapter 11 Vocab

Chapter 11 vocabulary, Physical Science

TermDefinition
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 magnitude and direction
resultant vector the vector sum of two or more vectors
speed the ratio of distance an object moves to the amount of time the object moves
average speed how fast something moved the entire trip
instantaneous speed the rate that an object is moving at a given moment of time
velocity the speed and time that an object is moving in
Acceleration the rate at which a velocity changes
free fall acceleration due to a change in speed
constant acceleration a steady change in velocity
linear graph the displayed data forms straight line parts
nonlinear graph accelerated motion represented by a curved line on a distance-time graph
Created by: paul.hornacek
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