When a spinning object changes its size, its rotation rate
A) remains the same.
B) always increases.
C) always decreases.
D) increases or decreases, depending on whether it shrinks or expands.

Question

Quizplus · Accepted Answer

The rotation rate of a spinning object changes due to the conservation of angular momentum. If the object shrinks, its rotation rate increases, and if it expands, its rotation rate decreases.

When a Spinning Object Changes Its Size, Its Rotation Rate