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Science ch.10
Chapter 10 vocab./terms
| Term | Definition |
|---|---|
| acceleration | a change in an object's velocity |
| force | a push or pull tha acts on an object |
| friction | a force that resists motion |
| gravity | force that causes objects with mass to attract each other |
| inertia | resistance to a change in motion |
| motion | a change in an object's position |
| newton | a unit used to measure force |
| speed | a measure of distance moved in a given amount of time |
| velocity | a measure of both an object's speed and its direction |
| simple machines | tools, with few or no moving parts, that make work easier |
| work | moving an object over a distance by using force |
| electromagnet | a magnet that is powered by electricity |