MPH 002 Classical Mechanics–I Solved Assignment is specially prepared for IGNOU M.Sc. Physics students for the January 2026 to December 2026 session. This assignment covers Lagrangian formulation, central force motion, stability of circular orbits, generalized momentum, energy function, normal modes and force laws in classical mechanics. All answers are written step-by-step with proper derivations, clear mathematical presentation, and correct notation as per IGNOU TMA pattern. The solutions strictly follow the official Assignment Code: MPH-002/TMA/2026 and are designed to help you secure maximum marks with conceptual clarity.