Repeat Prob. 377 with the chain parallel to the z axis
Chapter 3, Problem 3.78(choose chapter or problem)
Repeat Prob. 377 with the chain parallel to the z axis with P in the positive z direction.
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