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Forces
| Question | Answer |
|---|---|
| unbalanced forces | forces that cause a change in motion |
| gravity | a force of attraction between two objects, even if they are not touching |
| motion | a change of position of an object |
| force | a push or a pull, which causes movement or change in an object's shape |
| balanced forces | forces on an object that are equal in size and opposite in direction |
| friction | a force that opposes motion and acts between two objects that are touching |