A small object placed on a rotating horizontal turn table just slips when it is placed at a distance $$4$$ cm from the axis of rotation. If the angular velocity of the $$turn-table$$ is doubled, the object slips when its distance from the axis of rotation is

Question

Infinity Learn · Accepted Answer

The object will slip if the required centripetal force ≥ force of friction                     mrω$$2$$ ≥ μmg                   rω$$2$$  ≥ μg                    rω$$2$$  ≥ constantor $$r1r2$$ $$=$$ ω$$2$$ω$$124$$ $$cmr2$$ $$=$$ $$2$$ωω$$2$$      $$r2=$$ $$1$$ cm

A small object placed on a rotating horizontal turn table just slips when it is placed at a distance 4 cm from the axis of rotation. If the angular velocity of the turn-table is doubled, the object slips when its distance from the axis of rotation is

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