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Forces, Friction & N
| Term | Definition |
|---|---|
| Force | a push or pull |
| Newton | SI unit for magnitude |
| Net force | combination of forces acting |
| Unbalanced Forces | causes velocity to change |
| balanced forces | equal object acting |
| Friction | force that two surfaces exert on each other |
| static f | non moving objects acting |
| sliding f | when objects slide |
| rolling f | when objects roll |
| fluid f | when solid moves to an object |
| gravity | force that exerts pressure down |
| mass | amount of matter |
| weight | gravitational force exerted on a person |
| freefall | only for acting is gravity |
| air resistance | acts on a object falling through air |
| projectile | a thrown object |
| compression | elastic force that squeezes matter |
| tension | force that stretches or pulls matter |