A) decrease
B) increase
C) remain constant
D) first decrease and then increase
Correct Answer: A
Solution :
Angular momentum of disc \[J=I\omega =\] constant When sand is dropped on disc, moment of inertia\[I\] of disc increases, so, angular velocity \[\omega \propto \frac{1}{I}\] decreases.You need to login to perform this action.
You will be redirected in
3 sec