What happens to its moment of inertia when a steel disk is heated?
A)It increases.
B)It decreases.
C)It stays the same.
D)It increases for half the temperature increase and then decreases for the rest of the temperature increase.

Question

Quizplus · Accepted Answer

When a steel disk is heated, it expands. This expansion causes the mass of the disk to be distributed further from its axis of rotation, which increases its moment of inertia.

What Happens to Its Moment of Inertia When a Steel