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 # 3 Hz# to # 7 Hz# in #3 s#, what torque was applied to the object?
1 Answer
Jul 17, 2017
We will use cassical mechanics (rotation) equations to solve this problem.
Explanation:
With frequency of
With frequency of
The angular acceleration is then
and the torque is :