Question

.18 A uniform heavy disc is rotating at
constant angular velocity (w) about a
vertical axis through its centre O and
perpendicular to the plane of the disc.
Some wax is dropped gently on the
disc. The angular velocity of the disc
A Does not change
B Increases
C Decreases
D Becomes zero​

Answer 1

Explanation:

option c is our choice... which is explained in the attachment