An object with a mass of # 2 kg# is traveling in a circular path of a radius of #7 m#. If the object's angular velocity changes from # 7 Hz# to # 2 Hz# in # 3 s#, what torque was applied to the object?
1 Answer
Dec 25, 2016
The torque is
Explanation:
The torque is the rate of change of angular momentum
The is
The rate of change of angular velocity is
So the torque is