What two roles does friction play in allowing skaters to jump?
A) It has an equal and opposite reaction.
B) It creates conservation of angular momentum.
C) It creates the traction to generate speed.
D) It creates a solid landing surface for skates.
E) It causes a lack of resistance against blades.
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The correct answers are C) It creates the traction to generate speed and D) It creates a solid landing surface for skates.
Explanation:
C) Friction provides the necessary grip between the skate blades and the ice, allowing skaters to push off and generate speed during their jumps.
D) After a jump, friction helps the skater land effectively by providing stability and control on the ice, preventing slipping and allowing for a safe landing.
Friction plays a vital role in both the takeoff and landing phases of a skater’s jump!