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Motion
Question | Answer |
---|---|
motion | an object's change in position |
speed | the distance traveled divided by time |
velocity | the speed of an object in a particular direction |
acceleration | the rate of change in velocity over time |
force | a push or a pull |
net force | the combination of all forces acting on an object |
newton | the unit of measurement for force |
balanced force | forces are equal - no movement |
unbalanced force | forces are unequal-- causes motion |
friction | a force that opposes motion |
gravity | force of attraction between two objects |
weight | the measure of gravitational force on an object |
mass | the measure of the amount of matter in an object |