The Kaye effect, observed in the field of ice skating, refers to the phenomenon where a figure skater executing a jump or spin experiences an increase in rotational speed when they pull their limbs closer to their body. This effect is a practical demonstration of the conservation of angular momentum, which states that if no external torque acts on a system, the total angular momentum of that system remains constant. When a skater extends their arms and legs during a jump, they have a larger moment of inertia.
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