An object with a mass of # 2 kg# is traveling in a circular path of a radius of #4 m#. If the object's angular velocity changes from # 1 Hz# to # 5 Hz# in # 3 s#, what torque was applied to the object?
1 Answer
Apr 7, 2017
The torque is
Explanation:
The torque is the rate of change of angular momentum
Where
For the object,
So,
The rate of change of angular velocity is
So,
The torque is