The three identical bars, each weighing 8 lb, are connected by the two freely pinned
Chapter 4, Problem 4/15(choose chapter or problem)
The three identical bars, each weighing 8 lb, are connected by the two freely pinned links of negligible weight and are resting on a smooth horizontal surface. Calculate the initial acceleration a of the center of the middle bar when the 10-lb force is applied to the connecting link as shown.
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