click below
click below
Normal Size Small Size show me how
Friction and Gravity
| Term | Definition |
|---|---|
| Friction | The force that one surface exerts on another when they rub against each other |
| Rolling Friction | The kind of friction that results when a wheel turns on a surface |
| Sliding Friction | The kind of friction that results when you rub sandpaper against wood |
| Fluid Friction | The kind of friction that exists between oil and a door hinge |
| Weight | A measure of the force of gravity on an object |
| Free Fall | The state that exists when the only force acting on an object is gravity |
| Gravity | The force that accelerates objects towards Earth |
| Terminal Velocity | A falling object reaches this when forces of gravity and air resistance are balanced |
| Air Resistance | The kind of friction that slows a falling object |