Action (physics)
= Action (physics)
{wiki=Action_(physics)}
In physics, "action" is a quantity that plays a fundamental role in the formulation of classical mechanics, particularly in the context of the principle of least action. It can be understood through the following key points: 1. **Definition**: Action (denoted generally as \\( S \\)) is defined as the integral of the Lagrangian \\( L \\) of a system over time.