A boy sits near the edge of revolving circular dise (i) What will be the change in the motion of a disc? (ii) If the boy starts moving from edge to the center of the disc, what will happen?

A boy sits near the edge of revolving circular dise (i) What will be

1.	A boy sits near the edge of revolving circular dise (i) What will be the change in the motion of a disc? (ii) If the boy starts moving from edge to the center of the disc, what will happen?
Answer» Solution :As we know L=L omega`=constant if the boy sits on the edge of REVOLVING disc, its I will be increased in turn it reduces angular VELOCITY. (II) If the boy STARTS moving towards the CENTER of the disc, its I will decrease in turn that increases its angular velocity.