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8.6A
Unbalanced Forces
| Question | Answer |
|---|---|
| Force | a push or pull that can change the motion of an object |
| Balanced Forces | separate forces on an object that combined do not change the movement of the object |
| Unbalanced Forces | forces on an object that cause change in the motion of the kobject |
| Net Force | the sum of all the forces acting on an object |
| At Rest | the state of an object when it is not in motion |
| Motion | the change in an object's position with respect to time and in comparison to the position of other objects used as reference points |
| Speed | the rate of change of position with respect to time units in which speed is measured are expressed as distance pr time |
| Direction | a straight path that an object can move along |
| Friction | force that opposes the motion of one surface across another |