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science vocab words
| Term | Definition |
|---|---|
| Acceleration | the rate at which velocity changes |
| Air Resistance | the fluid frition experienced by objects falling through air |
| Balanced Forces | equal forces acting on an object in oppisite directions |
| Friction | the force that one surface exerts on another when the two surfaces rub againest each other |
| Force | a push or a pull |
| Mass | the amount of matter in an object |
| velocity | speed in a givin direction |
| Efficiency | the percentage of the input work that is converted to output work |
| Pascal | a unit of pressure equal to 1 newton per square meter |
| Speed | the distance an object travels per unit of time |
| Static Friction | friction that acts on objects that are not moving |
| Newton | a unit of measure that equals the force required to accelerate 1 kiliogram of mass at 1 meter per second |
| Power | the rate at which work is done |
| Pulley | a simple machine that consists of a grooved wheel with a rope or cabel wrapped around it |
| Mechanical Advantage | the number of times a machine increases a force exerted on it |
| Net Force | the overall force on an odject when all the individual foces actting on it are adding together |
| Work | force exerted on an object that causes it to move |