The physics of gymnastics is all about the gymnast's mass in motion. A gymnast uses so many aspects of physics in every skill. The center of gravity is found when performing a handstand on almost every apparatus, horizontal and vertical forces are applied to perform any type of somersault, and angular momentum is used by a gymnast to twist their body in the air. These are just few of the many times physics applies to gymnastics.
Nastia Liukin uses 