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motion
chapter 5
Term | Definition |
---|---|
Motion | an objects change in position relative to a reference point |
speed | the distance traveled divided by the time interval during during which the motion occured |
force | push or a pull exerted on an object in order to change the motion of the object |
newton | the measure of force |
net force | the combination of all of the forces acting on an object |
friction | a force that opposes motion between two surfaces |
gravity | a force of attraction between objects |
weight | a measure of the gravitational force exerted on an object |
mass | a measure of the amount of matter in a object |
velocity | the speed of an object in a particular direction |
acceleration | the rate at which velocity changes overtime |