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Unit Z
Force, Motion, SVA Vocab. 8th Grade
| Term | Definition |
|---|---|
| force | a push or pull that can change the motion of an object |
| balanced forces | forces that do not change the motion of the object |
| unbalanced forces | forces that cause change in the motion of the object |
| 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 reference points |
| speed | the rate of change of position with respect to time |
| direction | the path that an object is moving or facing |
| friction | a force between two surfaces in contact with each other; it works against motion |
| vector | a quantity represented by an arrow with both direction and magnitude |
| inertia | an object's resistance to change in motion; based on mass |
| gravity | a force that exists between any two objects that have mass, frequently Earth's mass and smaller objects |
| acceleration | a change in velocity (speed or direction) |
| velocity | an object's speed in a certain direction; it is a vector value |
| mass | the amount of matter in an object |
| Newton | the unit of measurement for force |
| Newton, Sir Isaac | a famous British scientist who lived in the 1600s-1700s |
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LMS 8 Sci
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