APFIVE Conservation of Angular Momentum
A student standing on a frictionless rotating platform holds a spinning bicycle wheel with its axis horizontal. If the student suddenly tilts the wheel so its axis becomes vertical, which statement correctly describes the angular momentum of different system choices?
A
The angular momentum of the student-platform system is conserved
B
The angular momentum of just the wheel is conserved
C
The angular momentum of the student-platform-wheel system is conserved
D
The angular momentum of just the platform is conserved
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