A metal ball is barely able to pass through a metal ring. When Anette Zetterberg heats the

Question:

A metal ball is barely able to pass through a metal ring. When Anette Zetterberg heats the ball, it does not pass through the ring. What happens if she instead heats the ring (as shown)? Does the size of the hole increase, stay the same, or decrease?

A metal ball is barely able to pass through a