Simple harmonic motion, wave mechanical work is the kinetic energy, potential energy, the กฏการ of conservation of mechanical energy; and the application of law of conservation of mechanical energy. Mechanical force and the change of momentum momentum impulse and impulse force, the collision.Angular velocity and the angular acceleration. Thor kg with rotational motion inertia. The kinetic energy of the rotating angle and the rate of change of momentum, angular momentum, working in rotation.
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