Question

determine the moment of inertia of a circular lamina,about an Axis passing through its centre and perpendicular to its plane, with concentric hole.

Answer 1

Answer:

1/2 m(b^2-a^2)

m=mass of lamina

b= outer radius

a=inner radius

Answer 2

Answer:

I = (1/2) M (a^2 + b^2)

Explanation:

go through the attachment.

hope, it may help you.