A smooth tube of certain mass is rotated in a gravity-free space and released. The two balls shown in the figure move towards the ends of the tube. For the whole system,which of the following quantities is not conserved.
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
Angular momentum
b
Linear momentum
c
Kinetic energy
d
Angular speed
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
As ∑τext=0, angular momentum and linear momentum remain conserved. As the two balls will move radially out, I changes. In order to keep the angular momentum (L=Iω) conserved, angular speed (ω) should change.