Task id16141
Two identical balls A and B are attached to the ends of a weightless thread threaded through a tube, as shown in Fig. Ball A, located on the surface of the disk, rotates in a horizontal plane. The distance from the axis of the tube to ball A is equal to r. At what angular velocity must ball A rotate for ball B to be in equilibrium? Will the equilibrium be stable? Ignore friction.
Detailed solution. Format gif
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