Efficiency

Definition

Efficiency measures how effectively a device or process converts input energy into useful output energy. It is calculated by dividing useful output energy by total input energy.

Related terms

Work-Energy Theorem: This theorem states that work done on an object is equal to its change in kinetic energy.

Carnot Efficiency: This is the maximum possible efficiency for any heat engine operating between two temperatures.

Power Output: Power output refers to how much work or energy is produced per unit time.