When scrap iron in a boat is thrown overboard in a swimming pool, the pool level
A)rises.
B)falls.
C)remains unchanged.

Question

Quizplus · Accepted Answer

When scrap iron is thrown overboard, it displaces less water than when it was in the boat because the volume of water it displaces is now equal to its own volume, which is less than the volume of water it displaced indirectly (via the boat) due to its weight. This results in the water level falling.

When Scrap Iron in a Boat Is Thrown Overboard in a Swimming