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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 |