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F&M #6: Force
vocabulary
| Term | Definition |
|---|---|
| Force | a push or pull that acts on an object |
| Newtons | a unit used to measure force |
| Net Force | the sum of all the forces acting on an object |
| Balanced Forces | forces that cancel eachother out |
| Unbalanced Forces | forces that do not cancel eachother out |
| Friction | a force that acts between sufaces in contact with eachother |
| Sliding Friction | friction between two solid sufaces |
| Rolling Friction | friction that occurs when one of the two surfaces in contact rolls |
| Fluid Friction | friction that occurs when one of the two surfaces in contact is a liquid (like water) or gas (like air) |
| Statiic Friction | friction between the surfaces BEFORE one of the surfaces start moving |
| Kinetic Friction | friction between the surfaces AFTER one of the surfaces start moving |