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Dimensions and units. Linear kinematics and dynamics of a particle and of a system of particles. Principles of momentum and energy. Particle dynamics in more than one dimension. Vector methods. Motion in a circle, motion under constant gravity. Projectile motion. Conservative and Non conservative forces. Work and potential energy. Motion under a central force. Introduction to special relativity: Postulates of special relativity, Lorentz transformations, spacetime, time dilation, length contraction, Doppler shift.