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Force and Motion
Term | Definition |
---|---|
force | push or pull |
balanced forces | forces acting in equal and opposite directions, creating no motion |
unbalanced forces | one force is stronger than the other, creating motion |
Gravity | a force pulling things toward Earth |
Friction | slows things down, by rubbing |
air resistance | friction in the air |
momentum | strength of something when it is moving |
Speed | Distance divided by time |
Acceleration | move faster, gain speed |