click below
click below
Normal Size Small Size show me how
Forces & Friction
Vocabulary from sections 10.1-10.2
Term | Definition |
---|---|
Force | A Push or Pull |
Newton | The SI unit of the strength of force. |
Net Force | A combo of every force that acts on an object. |
Unbalanced Forces | Net Forces with different amounts of newtons acting on an object. |
Balanced Forces | Net Forces with equal amounts of newtons acting on an object. |
Friction | A force that two surfaces exert on each other when rubbed against one another. |
Static Friction | The friction that acts on objects that aren't moving. |
Sliding Friction | The friction created when two surfaces slide over each other. |
Rolling Friction | The friction created from a rolling object on a solid surface. |
Fluid Friction | The friction caused when a solid object passes through a liquid substance. |
Gravity | A force that pulls objects toward each other. |
Mass | The measure of the amount of matter in an object. |
Weight | The gravitational force exerted on a person or object at the surface of a planet. |
Free Fall | When only the force of gravity is acting on an object. |
Air Resistance | A upward force exerted on falling objects. |
Projectile | An object that is thrown. |
Compression | An elastic force that pushes matter together. |
Tension | An elastic force that stretches or pulls matter. |