Question

Four rings each of mass M and radius R are arranged as shown in the figure given the moment of inertia of the system about the axis y y' is

Answer 1

Explanation:

We have,

I

4

=I

3

=

2

MR

2

I

1

=I

2

=

2

MR

2

+MR

2

I

system

=I

1

+I

2

+I

3

+I

4

=2×

2

3

MR

2

+2×

2

MR

2

=4MR

2