| A | B |
|---|
| air resistance | Opposes the motion of objectst that move through the air |
| centripetal force | The net force exerted toward the center of a curved path |
| friction | The force that opposes the motion of two objects touching each other |
| gravity | An attractive force between any two objects |
| momentum | The product of mass and velocity |
| Newton's Second Law | a=F/m |
| Newton's Third Law | Describes action-reactioin pairs |
| sliding friction | The frictional force that opposes the motion of two surfaces sliding past each other |
| static friction | The frictional force that prevents two surfaces from sliding past each other |
| weight | The gravitational force exerted on an object |
