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Chartper 5
Word | Deff. |
---|---|
force | pus or pull exerted on object in order to change the motion of object; fore has size and direction |
newton | SI unit for force |
net force | combination of all of the forces acting on object |
friction | force that opposes motion between two surfaces that are in contact |
gravity | force of attraction between objects that is due to their masses |
weight | measure of the gravitational force exerted on object; its value can change with location of universe |
mass | measure of amount of matter in object |