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.

Arnab Mandal , 12 Years ago

Grade 11