MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Normal Force

According to ...

Question

According to the principle of conservation of angular momentum, if moment of inertia of a rotating body decreases, then its angular velocity

A

Decreases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Increases

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

Remains Constant

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Becomes zero

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Increases
$L$ is conserved $⟹ I w = c o n s t a n t$
Now decreasing the Moment of inertia $(I)$ of the rotating body will increase its angular velocity $(w)$

Suggest Corrections

thumbs-up

0

Similar questions

Q. If is the angular momentum is

L

I

is the moment of inertia of a rotating body, then

\frac{L^{2}}{2 I}

represents its ____________

Q. A body is rotating with angular momentum L. If I is its moment of inertia about the axis of rotation, its kinetic energy of rotation is?

Q. The kinetic energy of rotating body is

18

Joule. If the angular momentum vector coincides with the axis of rotation and the moment of inertia of the particle about this axis is

0.01 k g m^{2}

, then its angular momentum will be :

Q. While diving down if the diver folds himself compact, then his :
A) angular velocity increases
B) angular momentum decreases
C) rotational kinetic energy increases
D) moment of inertia decreases

Q. The rotational kinetic energy of a body is

K_{r o t}

and its moment of inertia is

I

. The angular momentum of body is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Dearrangement

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon