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 # 29 Hz# in #3 s#, what torque was applied to the object?
1 Answer
Mar 4, 2016
Use the basics of rotation around a fixed axis. Remember to use
Explanation:
The torque is equal to:
Where
The moment of inertia:
The angular acceleration:
Therefore: