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Skidding of Object on a Rotating Platform

On a rotating platform, to avoid the skidding of an object (mass m) placed at a distance r from the axis of rotation, the centripetal force should be provided by the force of friction.
Centripetal force = Force of friction
2r = μmg
∴ ωmax = 37009.png
Hence, maximum angular velocity of rotation of the platform is 37003.png so that the object will not skid on it.

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