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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 |