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Forces and Motion
| Question | Answer |
|---|---|
| a push or pull | force |
| the rate at which someone or something is able to move or operate | speed |
| increase in the rate of speed of something | acceleration |
| speed and direction | velocity |
| a tenancy to do nothing or remain unchanged | inertia |
| when unequal forces cause the objects to move | unbalanced forces |
| when 2 equal forces act on an object, generally doesn't move | balanced forces |
| resistance when one surface of an object moves over another surface | friction |
| amount of energy transferred by force | work |