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A bob of mass 10kg is attached to a wire of 0.3 m long. Its breaking stress is 4.8*10^7 N/m^2. The area of cross section of the wire is 10^-6 m^2. What is the maximm angular velocity with which it can be rotated in a horizontal circle?? a) 8 rad/s b) 4 rad/s c) 2 rad/s d) 1 rad/s.

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


a) 8 rad/s         b) 4 rad/s             c) 2 rad/s             d) 1 rad/s.

Grade:11

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