Consider the crate just at the instant before it begins to
Chapter 9, Problem 9.100(choose chapter or problem)
Consider the crate just at the instant before it begins to rotate. At this instant, the crate is in equilibrium. What must be true about the sum of the external torques acting on the crate?
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