A narrow but solid spool of thread has radius R andmass M.
Chapter 10, Problem 10.74(choose chapter or problem)
A narrow but solid spool of thread has radius R andmass M. If you pull up on the thread so that the cm of thespool remains suspended in the air at the same place as itunwinds, (a) what force must you exert on the thread?(b) How much work have you done by the time the spoolturns with angular velocity w?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer