A particle of mass m is placed over a ho...

A particle of mass `m` is placed over a horizontal circular table rotating with an angular velocity `omega` about a vertical axis passing through its centre. The distance of the object from the axis is `r`. Find the force of friction `f` between the particle and the table.

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Let us solve this problem from both frames. The one is a frame on ground and the other is a frame fixed on table itself.

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