A device to produce vibrations consists of the two counter-rotating wheels, each
Chapter 8, Problem 8/63(choose chapter or problem)
A device to produce vibrations consists of the two counter-rotating wheels, each carrying an eccentric mass with a center of mass at a distance from its axis of rotation. The wheels are synchronized so that the vertical positions of the unbalanced masses are always identical. The total mass of the device is 10 kg. Determine the two possible values of the equivalent spring constant for the mounting which will permit the amplitude of the periodic force transmitted to the fixed mounting to be 1500 N due to the imbalance of the rotors at a speed of Neglect damping. 8/63
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