Analytical mechanics is not just an advanced treatment of motion. It is the foundation of how we formulate physics itself. Centered on Hamilton’s principle of least action, this course develops the Lagrangian and Hamiltonian formalisms and explores the profound role of symmetry, culminating in Noether’s theorem, which reveals conservation laws as the natural consequence of symmetry. These methods extend far beyond mechanics, providing the conceptual bridge to quantum theory, relativity, and modern physics. By the end of the course, you will not only have mastered advanced tools to tackle sophisticated physical systems but also gained an appreciation for the beauty and universality of analytical methods. This is a course that transforms the way you think about the laws of nature, preparing you for deeper study in the physical sciences.