Heat: To Change Or Not To Change

Heat: To Change Or Not To Change?

A metal circular plate has a circular hole cut in the center of the plate. The plate is then heated and expands. What happens to the circular hole in the center of the plate.

  • A. The circular hole would also expand, just like the   plate.
  • B. Even though the plate is expanding, the circular hole   size would remain the same.
  • C. The circular hole size would get smaller due the the   plate expanding inward.
  • D. Why would you cut a hole in a perfectly good plate?

Answer