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FORCES
Mass, Weight, & Forces
Term | Definition |
---|---|
unbalanced | When forces acting on an object are uneven they are ______________. |
balanced | When opposite forces on an object are equal, the forces are ___________ |
weight | a measure of the force of gravity on an object |
inertia or Newton's 1st Law | an object at rest tends to stay at rest; an object in motion tends to stay in motion |
force | any push or pull on an object |
matter | anything that has mass and takes up space |
friction | the force that one substance exerts on another when the two rub against each other. |
Unbalanced forces result in ____________. | motion / movement |
Balanced forces result in _____________. | no motion / no movement |
Force is measured by a ___________. | spring scale |
mass | the amount of matter in an object |
gravity | the force that pulls objects toward each other |
Newton | the standard international unit that measures force |