A bob of mass 10 kg is attached to a wir...

A bob of mass `10 kg` is attached to a wire `0.3 m` long. Its breaking stress is `4.8xx10^(7) N//m^(2)`. Then area of cross-section of the wire is `10^(-6) m^(2)`. What is the maximum angular velocity with which it can be rotated in a horizontal circle?

`2 "rad"//s`

`4 "rad"//s`

`6 "rad"//s`

`8 "rad"//s`

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Verified by Experts

The correct Answer is:

`mr omega^(2)` = Breaking stress `x A`

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