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A solid sphere is rotating in free space...

A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

A

moment of inertia

B

angular momentum

C

angular velocity

D

rotational kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
B
Here `Iomega` = constant
For sphere `(2)/(5)Mr^(2)omega` = constant
or `r^(2)omega` = constant
`therefore` when r decreases `omega` increases
`therefore` L = constant
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