

Most Recent Video (2017.10.22)
Minimum Speed for Water in a Bucket Revolving in a Vertical Circle (5:57)
What is the minimum angular speed necessary to keep water in a vertically revolving bucket? The rope radius is 0.77 m. This is an AP Physics 1 topic.
Content Times: 0:13 The demonstration 0:35 Understanding the problem 1:04 Where do we draw the Free Body Diagram 2:06 Summing the forces 3:04 What happens at the minimum angular speed 3:53 Why the force of tension is zero 4:41 Solving the problem 


