Cylindrical shape pulley ( m = 6 kg, R = 0.18 m) is rotating at a frequency f = 10 s-1. Due to constant torque it stops. Calculate the work done by the breaking force.
w = 2πf
The Attempt at a Solution
I can calculate the angular velocity:
w = 2πf = 62.8 rad/s
I don't know what to do now.