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Chapter 3 vocab

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force a push or a pull
gravity the force of attraction that exsists between any two objects
mass the amont of matter in an object
weight a measure of the pull of gravity on an objects mass
newton in the metric system it is the unit usee to measure force or weight
net force the combination of all the forces acting on an object
balanced forces equal forces acting in opposite directions
relative motion the change in position of one object compared to the position of another
frame of reference the object an observer uses to detect motion
speed the distance an object moves in a certain period of time
instantaneous speed the speed at any given point
speedomoter a device that shows instantaneous
velocity a measure of both the speed and direction of a moving object
Created by: Dance baby