Force & Motion 1
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18 terms
Terms | Definitions |
|---|---|
 acceleration | a change in velocity over time (a) |
| force | a push or pull (F) |
| friction | a force that opposes (acts against) motion. |
| gravity | a force that pulls things towards the center of the earth. |
| inertia | the tendency of an object at rest or in motion to remain at rest or in motion |
| motion | the change in the position of an object as compared with a reference point |
| velocity | speed in a particular direction (velocity = displacement/time). |
| deceleration | the decrease in velocity over time (a). |
| weight | The strength of the earth's gravitational pull on an object; a measure of how heavy something is. Measured in Newtons. |
| mass | The amount of matter in an object (m). |
| opposing | against |
| exert | to put a force on something. |
| resistance | a force or forces opposing the movement of an object. |
| displacement | The distance traveled in a particular direction. |
| slope | An inclination or slant usually up or down. |
| collision | when objects crush into each other |
| rate | the change of a measurement over time |
| steep | a slope close to the vertical |
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