A row boat containing a barrel of water floats in a swimming pool. When the water in the barrel is poured overboard, the swimming pool level will
A) fall.
B) rise.
C) remain unchanged.

Question

Quizplus · Accepted Answer

The total volume of water displaced by the boat and the barrel is equal to the weight of the boat and the barrel. When the water in the barrel is poured overboard, the weight of the boat and the barrel is reduced, so the volume of water displaced is also reduced. This causes the swimming pool level to remain unchanged.

A Row Boat Containing a Barrel of Water Floats in a Swimming