| A | B |
|---|
| force | a push or pull of an object |
| friction | a force that opposes |
| magnetism | a force of attraction between magnets and magnetic objects |
| gravitation | a force that pulls all objects in the universe toward one another |
| balanced force | equal in size and opposite in direction |
| unbalanced force | occurs when one force is greater than the other force |
| net force | adding or subtracting the individual forces gives a value |
| work | a force to move an object through a distance |
| power | amount of work done for each unit of time |
| machine | making a task easier |
