Classical Dynamics of Particles and Systems is a comprehensive and rigorous introduction to classical mechanics, designed primarily for upper-level undergraduate students in physics and engineering. The book develops the fundamental principles of Newtonian mechanics and systematically extends them to the dynamics of particle systems and rigid bodies. Modern vector calculus methods are employed throughout, providing a clear and unified mathematical framework. A significant emphasis is placed on analytical mechanics, with detailed treatments of Lagrangian and Hamiltonian formalisms. These approaches not only deepen conceptual understanding but also prepare students for advanced studies in quantum mechanics, statistical mechanics, and field theory. Topics such as oscillatory motion, central-force problems, conservation laws, and normal modes are explored in depth. With its logical progression, clear physical interpretation, and extensive problem sets, this textbook serves as both an instructional resource and a long-term reference for students seeking a solid theoretical foundation in classical dynamics. On this platform, readers can also access carefully worked solutions and detailed explanations for problems from the book, making it an invaluable companion for self-study and deeper mastery of the subject.