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Transcript

Topics covered in PH111: Vectors: Scalars and vectors, decomposition of vectors into components, addition of vectors, cross and dot products, unit vectors. Kinematics: Position, displacement, average and instantaneous velocity and acceleration, derivation of the equations of motion at constant acceleration from velocity-time graph, projectile motion: constant acceleration equations for vertical and horizontal motions, definition of period, angular velocity and acceleration, relation between linear and angular terms, centripetal and tangential accelerations. Forces and Newton’s Laws: Forces between two surfaces, Newton’s three laws, calculation of resultant acceleration, calculations involving light strings and pulleys, coefficients of static and dynamic friction. Gravitation: Newton’s law of gravity, universal gravitational constant, how to find the mass of the sun and the period of earth’s orbit. Electric Field and Coulomb’s Law: Electric charges, electric potential, equipotential lines, lines of force, force on a charge in a electric field. Magnetism: Magnetic field, lines of force and equipotential lines for a magnetic field, Earth as a magnet, force on a moving charge in a magnetic field. Work: Work done by a force from a force-distance graph, definition of kinetic energy, and its relation to the work done by an accelerating mass. Potential energy, conservation of mechanical energy in the absence and presence of dissipatory forces. Momentum, Impulse, and Collisions: Definitions, Newton’s second law in momentum form, law of conservation of overall momentum, elastic and inelastic collisions, one- and two-dimensional collisions.