= Defining equation (physics)
{wiki=Defining_equation_(physics)}
In physics, a "defining equation" typically refers to a fundamental equation that describes the relationship between key physical quantities in a particular context. These equations derive from physical laws and principles and are used to define specific phenomena or systems. For example: 1. **Newton's Second Law**: \\( F = ma \\) (where \\( F \\) is force, \\( m \\) is mass, and \\( a \\) is acceleration) is a defining equation for classical mechanics.
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