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The moment of an inertia about an axis o...

The moment of an inertia about an axis of a body which is rotating with angular velocity `"1rad s"^(-1)` is numerically equal to

A

twice the rottational kinetic enegy

B

one-fourth of its rotational kinetic energy

C

half of the rotational kinetic energy

D

rotational kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
A
`"The rotational K.E. of a body (K) "=(1)/(2)Iomega^(2)`
`"If "omega="1 rad/s, then K"=(1)/(2)I" "I=2K`
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