Statistical mechanics is a branch of physics that provides a theoretical framework for understanding macroscopic phenomena from a microscopic perspective.

Quantum mechanics is a branch of physics that studies the behavior of microscopic particles.

He is studying thermodynamics in depth.

He is an expert in analytical mechanics and deeply understands its theory.

Chromodynamics is a part of particle physics that describes strong interactions.

He is an expert in aerodynamics.

Understanding dynamical systems is an important part of physics.

He is an expert in classical mechanics.

He is an expert in fluid mechanics.

Newtonian mechanics is one of the fundamental theories of physics.