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Three point masses each of mass 'm' are ...

Three point masses each of mass 'm' are joined together using a string to form an equilateral triangle of side 'a'. The system is placed on a smooth horizontal surface and rotated with a constant angular velocity 'w' about a vertical axis passing through the centroid. Then the tension in each string is 

A

`m a omega^2`

B

`3 ma omega^2`

C

`(ma omega^2)/(3) `

D

`(m a omega^2)/(sqrt3)`

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The correct Answer is:
C
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