Library — F
This page provides access to all physics articles covering topics that begin with the letter F.
-
Flux
Flux in physics is a measure of how much of something passes through a surface. The “something” depends on the context: it might be an electric field, a magnetic field, a fluid, or even the…
-
Field
A field in physics is a physical quantity assigned to every point in space and time, introduced to describe interactions that cannot be fully captured by forces acting instantaneously between separated objects. Instead of thinking…
-
First Law of Thermodynamics
The First Law of Thermodynamics represents one of the most profound and universal statements in all of physics, asserting that energy is an indestructible quantity—it can shift forms or move between systems, but it can…
-
Force
Force stands as one of the deepest and most essential ideas in the entire domain of physics, forming the backbone of our understanding of movement, interaction, and the nature of matter itself. The notion of…
-
Frame of Reference
A frame of reference is one of the most fundamental concepts in physics, serving as the basis for describing and understanding motion, rest, and the laws governing the physical universe. It is the conceptual or…