Home
Class 11
PHYSICS
A ring of mass m and radius r is melted ...

A ring of mass `m` and radius `r` is melted and then moulded into a sphere. The moment of inertia of the sphere will be

A

More than that of the ring

B

Less than that of the ring

C

Equal to that of the ring

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B

Radius of sphere is very less comparison to ring.
Promotional Banner

Similar Questions

Explore conceptually related problems

Three spheres, each mass M and radius R, are arranged as shown in the figure . The moment of inertia of the system will be

A metallic cone having base radius 2.1 cm and height 8.4 cm is melted and moulded into a sphere. The radius of the sphere is

Four rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY' will be

Three rings each of mass M and radius R are arranged as shown in the figure. The moment of inertia of the system about YY¢ will be

A disc of radius R and thickness has moment of inertia / about an axis passing through its centre and perpendicular to its plane. Disc is melted and recast into a solid sphere. The moment of inertia of a sphere about its diameter is

A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The moment of inertia of the solid sphere about tangent is