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motion vocab

motion is when an object changes in position relative to a reference point
speed is the distance traveled divided by the time interval during which the motion occurred
velocity the speed of an object in a particular direction
acceleration when velocity changes over time ,an object accelerates if it s speed direction or both change
force a push or pull
newton the unit for force
net force the combination of all the forces acting on an object
friction a force that opposes motion between 2 surfaces that are in contact
gravity a force of attraction between object that is due to their masses
weight is a measure of the gravitational pull on an object
mass a measure of the amount of matter in an object
Created by: evans48