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# Force And Motion 1+2

### Vocab for Force and Motion #1 and Force and Motion #2

TermDefinition
Reference point A specific location on an object or in an object's environment used to monitor change in position.
Position An objects location at a given time. (Where an object is)
Initial Position An objects starting position.
Final Position An objects ending position
Delta Change in value
Distance How much (the amount) an object's initial and final position change; always positive value
Motion A change in position
Best fit line or line of best fit A straight line drawn through the center of a group of data points.
Increment A fixed amount.
Direct Relationship or Positive correlation The x and y values data points both increase in value or they both decrease.
Indirect relationship or positive correlation The x value data points increase, but the y value data points decrease or the x value data points decrease, but the y value data points increase.
Cyclic relationship The x value data points and they value data points go up and down in a predictable pattern.
Non-related relationship or scattered There is no correlation between the x value data points and the y value data points.
Speed the distance an object travels in a unit of time; speed is a unit rate.
Time The distance between then and now
Average speed The TOTAL distance traveled by the object divided by the TOTAL amount of time to travel that distance
Rate a ratio used to compare different kinds of quantities.
Unit Rate A special rate that describes how many units of the first type of quantity corresponds to ONE unit of the second type of quantity
Constant Speed Speed that does not change; speed stays the same
Created by: lawson-blake