Jackson Haines, changed style and based skating on 1860 style dancing.
Americans Irving Brokaw and George H. Browne were first to demonstrate figure skating to an audience.
Canadian Louis Rubenstein, was a student of Haines.
There is very small amount of friction between the ice-skates and the ice. This small amount allows a skater to glide along the surface smoothly without friction stopping the motion as soon as it has begun
There is some friction which allows the skater to take off in the first place, and to come to a stop. This is due to the shape of the blade on the skates.
Angular momentum applies to a body rotation around a fixed object.
The amount of