Q. A man is standing at the edge of a circular plate which is rotating with a constant angular speed about a perpendicular axis passing through the centre. If the man walks towards the axis along the radius, its angular velocity
A) Decreases
B) Remains constant
C) Increases
D) Information is incomplete
Explanation
(c) As man walks towards axis of rotation. Moment of inertia of system decreases so that angular velocity increases
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.