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Section 2
Term | Definition |
---|---|
Force | |
Newtons | |
Net Force | |
Unbalanced Forces | |
Balanced force | |
Friction | |
Static Friction- Friction that acts on objects that are not moving | Friction that acts on objects that are not moving |
Sliding Friction- Friction that occurs when one solid surface slides | Friction that occurs when one solid surface slides over another |
Rolling Friction | Friction that occurs when an object rolls over a surface |
Fluid Friction | Friction that occurs as an object moves through a fluid |
Gravity | The force that pulls objects towards each other |
Mass- | A measure of how much matter is in an object |
Weight | - A measure of the force of gravity on a object |
Free Fall- | The motion of a falling object when the only force acting on it is gravity |
Air Resistance- | The fluid friction experienced by object falling through the air |
Projectile- | An object that is thrown |
Compression- | An elastic force that squeezes or pushes the molecules in matter together |
Tension- | An elastic force that stretches or pulls on the molecules in matter |