DieselShip's Online Content Library

Q2. Three masses are attached to a disc and rotate in the same plane. Mass A is 5.5 kg at 0.8 m radius, mass B is 6.2 kg at 1.2 m radius and mass C is 3.8 kg at 0.8 m radius. Masses B and C are at 140° and 210° respectively, clockwise from mass A. Determine EACH of the following:

(a) The magnitude and direction of the out of balance force when the disc rotates at 60 rev/min;

(b) The radius and angular position at which a 5-kg mass should be placed in order to balance the system.