Step across pivot work for passing angles with @djsackmann | HoopStudy

Bottle, Hoop, and Nail Trick: http://physicstoys.blogspot.com/p/physics-toy-store.html With some practice a snap of the wrist removes the hoop and the nail falls straight into the bottle. Newton's 1st Law as seen in slow motion- a mass at rest tends to stay at rest. (Best to watch with sound/audio) Balancing the nail on the hoop ensures the nail is directly over the top of the bottle. The hoop is removed so quickly that it does not interact significantly with the sufficiently massive nail, and t