The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is |
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The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is |
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a) |
b) |
c) |
d) |

1 Answer - 5876 Votes

3537

For a disc moment of inertia about a tangential axis in its own plane Now, for a ring moment of inertia about a tangential axis in its own plane |