A piece of wood is floating in a bathtub.A second piece of wood sits on top of the first piece,and does not touch the water.If the top piece is taken off and placed in the water,what happens to the water level in the tub?
A) It goes up.
B) It goes down.
C) It does not change.
D) This cannot be determined without knowing the volume of the top piece of wood.

Question

Quizplus · Accepted Answer

The volume of the first piece of wood already displaced enough water to float, therefore when the second piece of wood is added and removed, it does not change the amount of water already displaced. Hence, the water level will remain the same.

A Piece of Wood Is Floating in a Bathtub