Multiple Choice
A figure skater is spinning with her arms extended. She now pulls her arms close to her body. What happens?
A) Her angular acceleration decreases.
B) Her rotational inertia decreases.
C) The net external torque on her increases.
D) Her lever arm gets shorter.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q44: Just as torque is the rotational analogue
Q45: An isolated object is initially spinning at
Q46: The angular momentum of a rotating body
Q47: You stand with your heels against a
Q48: A merry-go-round, having a radius of
Q49: A moving bicycle exhibits less stability when
Q51: Three horses are side-by-side on a merry-go-round:
Q52: Three different bodies-a uniform sphere, a uniform
Q53: It is possible using the analogies
Q54: In a stable stack of identical boards