A person stands in contact against a wall of cylindrical drum of radius 'r' rotating with an
Channel: Doubtnut
Date: 2020-06-14

A person stands in contact against a wall of cylindrical drum of radius 'r' rotating with an angular velocity ` omega `. If `mu` is coefficient ofn static fiction between the wall and the person , then the minimum rotational speed which enables the person to remain struck to the wall will be