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Forces 1.1
Nature of Force
| Question | Answer |
|---|---|
| A push or a pull | force |
| SI unit measuring strength of a force | newton |
| The combination of all forces acting on an object | net force |
| To find net force for two forces acting in opposite directions | subtract |
| To find net force for two forces acting in same direction | add |
| If two forces acting in opposite directions are equal | no net force |
| Can cause an object to start moving, stop moving, or change direction | unbalanced forces |
| Equal forces on one object in opposite directions | balanced forces |
| Unbalanced forces cause | motion |
| Balanced forces do not change an object's | motion |