An object with a mass of # 3 kg# is traveling in a circular path of a radius of #7 m#. If the object's angular velocity changes from # 14 Hz# to # 17 Hz# in #5 s#, what torque was applied to the object?
1 Answer
Oct 8, 2017
The torque was
Explanation:
The torque is the rate of change of angular momentum
where
The mass of the object is
The radius is
For the object,
So,
And the rate of change of angular velocity is
So,
The torque is