A man of mass m marks a point on the circum ference of a

Last updated: 6/21/2023

A man of mass m marks a point on the circum ference of a disc where he stands at t 0 The disc is f reely moveable and has mass M He soon starts to walk along the circumference of the disc Find the net ang le rotated by the man when he again reaches the same p oint Main doubt While solving answer Why we take w final theta T as there is friction torque on d isc net torque is only zero on whole system s o there must be some a acceleration