kaminer test laws os motion
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16 terms
Terms | Definitions |
|---|---|
 Motion | a change in position, measured by distance and time |
| Speed | the distrance traveled by a moving object per unit of time |
| Average Speed | the speed of moving object per unit of time |
| Velocity | speed in a given direction |
| Acceleration | The rate of change in velocity |
| Deceleration | A term commonly used to mean a decrease in speed |
| Force | any push or pull |
| Friction | a force that opposes motion |
| Gravity | the force of attraction between all objects in the universe |
| Weight | the effect of gravity on an objects mass |
| Momentum | the product of mass of an object and its velocity |
| 1st law of motion | An object at rest will remain at rest, and a moving object will remain at a constant velocity unless unbalanced forces act on it |
| 2nd law of motion | describes motion produced by unbalanced forces (Force= mass X acceleration) |
| 3rd law | For every action there is an equal and opposite reaction |
| Inertia | the tendency of an object to resist changes in its state of motion |
| Newtons | what force is measured in |
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