When a skater moves forward or strokes across the ice, a force is applied against the ice. The ice pushes right back, which propels the skater into a glide, jump, or into another move. Depending on how the particular force is applied creates different skating moves.
Pushing the ice with a blade is resisted by only a slight friction, so gliding is easy and so is jumping and spinning! The general low level of friction of ice makes is possible for a skater to skate across an ice surface and move faster and faster. Also, by applying some force to the blades, friction makes it possible for a skater to stop on the ice.
In addition, the laws of physics also explain why when a figure skater pulls in his or her arms, that a figure skating spin rotates faster and faster. In fact, it would be impossible for an elite skater to do triple jumps without pulling his or her arms in!
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