Two identical blocks of ice float in water as shown. Then:
A) block A displaces a greater volume of water since the pressure acts on a smaller bottom area
B) block B displaces a greater volume of water since the pressure is less on its bottom
C) the two blocks displace equal volumes of water since they have the same weight
D) block A displaces a greater volume of water since its submerged end is lower in the water
E) Block B displaces a greater volume of water since its submerged end has a greater area

Question

Two identical blocks of ice float in water as shown. Then: 
A) block A displaces a greater volume of water since the pressure acts on a smaller bottom area 
B) block B displaces a greater volume of water since the pressure is less on its bottom 
C) the two blocks displace equal volumes of water since they have the same weight 
D) block A displaces a greater volume of water since its submerged end is lower in the water 
E) Block B displaces a greater volume of water since its submerged end has a greater area

Quizplus · Accepted Answer

Since the two blocks are identical and have the same weight, they displace the same volume of water according to Archimedes' principle. The pressure on their bottom areas may differ, but it does not affect their water displacement.

Two Identical Blocks of Ice Float in Water as Shown