How does the ice skater push off against the ice, given the very low coefficient of friction between the blade and the ice?
A) the blade is turned perpendicular to the direction of glide and digs into the ice
B) the blade is turned parallel to the direction of glide and digs into the ice
C) the ice skater relies on momentum generated from decreasing stability
D) the ice skater must rely on ground reaction force from another surface
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