Joules

Definition

Joules are units used to measure both work done and energy transfer. One joule represents the amount of work done when a force equal to 1 newton moves an object a distance of 1 meter in the direction of the force.

Related terms

Energy:

The capacity to do work or transfer heat.

Calorie: A unit of energy commonly used in nutrition, equal to approximately 4.184 joules.

Work:

The exertion of force over a distance resulting in the displacement or movement of an object.