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Forces and energy

chapter 1 lessons 1-3

TermDefinition
motion The state in which one objects 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 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 to the horizontal change
acceleration the rate at which velocity changes
Created by: mwienclaw002
 

 



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