Home
Class 11
PHYSICS
A circular disc A of radius r is made fr...

A circular disc A of radius r is made from an iron plate of thickness t and another circular disc B of radius 4r is made from an iron plate of thickness `t//4`. The relation between the moments of inertia `I_(A)` and `I_(B)` is (about an axis passing through centre and perpendicular to the disc)

A

`I_(A) gt I_(B)`

B

`I_(A)=I_(B)`

C

`I_(A) lt I_(B)`

D

depends on the equal values of t and r

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A circular disc X of radius R is made from an iron of thickness t , and another disc Y of radius 4R is made from an iron plate of thickness t//4 . Then the relation between the moment of mertia I_(x) and I_(Y) is :

A uniform circular disc A of radius r is made from A copper plate of thickness t and another uniform circular disc B of radius 2r is made from a copper plate of thickness t/2. The relation between the moments of inertia I_A and I_B is?

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

The moment of inertia of a thin square plate ABCD of uniform thickness about an axis passing through the centre O and perpendicular to plate is

A hole of radius R//2 is removed from a thin circular plate of radius R and mass M. The moment of inertia of the remaining plate about an axis through centre O and perpendicular to the plane of the plate is

Radius of gyration of a uniform circular disc about an axis passing through its centre of gravity and perpendicular to its plane is

The mass of a disc is 700 gm and its radius of gyration is 20 cm. What is its moment of inertia if it rotates about an axis passing through its centre and perpendicular to the face of the disc?

A disc has mass 9 m. A hole of radius R/3 is cut from it as shown in the figure. The moment of inertia of remaining part about an axis passing through the centre 'O' of the disc and perpendicular to the plane of the disc is :

One circular ring and one circular disc, both are having the same mass and radius. The ratio of their moments of inertia about the axes passing through their centres and perpendicular to their planes, will be

Calculate the moment of inertia of a.unifprm disc of mass 0.4 kg and radius 0.1m about an axis passing through its edge and perpendicular to the plane of die disc ?