What happens when a spinning ice skater draws in her outstretched arms?
A)Her angular momentum decreases.
B)Her angular momentum increases.
C)Her moment of inertia decreases causing her to speed up.
D)Her moment of inertia decreases causing her to slow down.
E)The torque that she exerts increases her moment of inertia.

Question

Quizplus · Accepted Answer

When the skater draws in her arms, her moment of inertia decreases, and to conserve angular momentum, her rotational speed increases.

What Happens When a Spinning Ice Skater Draws in Her