What torque would have to be applied to a rod with a length of #1 m# and a mass of #2 kg# to change its horizontal spin by a frequency of #3 Hz# over #3 s#?
1 Answer
Dec 23, 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