Buoyant Force on Different Materials · PhysicsBowl 2014 #26
Physics · fluid-mechanics
Problem
A solid cube of iron and a solid cube of aluminum have equal mass. The cubes are placed into the same large pool of water so that each is completely submerged and resting on the pool's bottom. Which object experiences the greater buoyant force from the water?
(A) The iron cube
(B) The aluminum cube
(C) The buoyant forces are equal.
(D) The mass of the cubes is needed to answer the question.
(E) The answer depends on whether the pool is filled with fresh water or salt water.