Determine the motor torque and frictional moment

Reference no: EM131036386

Each of the two grinding wheels has a diameter of 6 in., a thickness of 3/4in and a specific weight of 425 lb/ft3 When switched on, the machine accelerates from rest to its operating speed of 3450 rev/min in 5 sec. When switched off, it comes to rest in 35 sec. Determine the motor torque and frictional moment, assuming that each is constant. Neglect the effects of the inertia of the rotating motor armature.

Reference no: EM131036386

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