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)cannot be determined from the information given

Question

Quizplus · Accepted Answer

The water level does not change because the total volume of water displaced by the wood remains the same whether the second piece is on top of the first or floating separately.

A Piece of Wood Is Floating in a Bathtub