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8.6ABC
Force and Motion
| Term | Definition |
|---|---|
| acceleration | -change in an object's motion; caused by unbalanced forces |
| balanced forces | -equal and opposite forces on an object that result in no change in position, direction, or motion; net force equals zero |
| inertia | -tendency of an object to resist change in motion |
| Law of action-reaction | -for every action, there is an equal and opposite reaction |
| Law of force and acceleration | -when an object that has a constant mass is acted upon by a force, the object will accelerate in the same direction as the force applied |
| Law of inertia | -the tendency of an object to resist change in motion unless acted upon by a force |
| net force | -measurement of the total forces exerted on an object |
| speed | -distance traveled by an object in a given amount of time |
| unbalanced forces | -unequal forces on an object that may result in a change in position, direction or motion; net force does not equal zero |
| velocity | -a measurement of an object's speed and direction |