Question

A hollow hemisphere of mass m rests with its curved surface in contact with an inclined plane of friction coefficient with incline angle . A point object of mass m is placed at some point on the periphery of the hemisphere such that the plane surface is horizontal then the minimum value of required is

Answer 1

the minimum value is the point through which the tangential horizontal plane had passed

Answer 2

The minimum value is point through which the tangential horizontal plane had passed.

Is the answer to the question.
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