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A ring of radius R is made of a thin wir...

A ring of radius R is made of a thin wire of material of density `rho`, having cross-section area a and Young's modulus y. The ring rotates about an axis perpendicular to its plane and through its centre. Angular frequency of rotation is `omega`.
The tension in the ring will be

A

`(arhoR^(2)omega^(2))/(2)`

B

`a rho R^(2) omega^(2)`

C

`2a rho R^(2) omega^(2)`

D

`(arhoR^(2) omega^(2))/(4)`

Text Solution

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The correct Answer is:
B
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