A 50-cm3 block of wood is floating partially submerged in water, and a 50-cm3 block of iron is totally submerged in water. Which block has the greater buoyant force on it?

A) the wood

B) the iron

C) Both have the same buoyant force.

D) The answer cannot be determined without knowing the densities of the blocks.

Question

Rayne Clayton

Physics

4 January, 02:49

A 50-cm3 block of wood is floating partially submerged in water, and a 50-cm3 block of iron is totally submerged in water. Which block has the greater buoyant force on it?

A) the wood

B) the iron

C) Both have the same buoyant force.

D) The answer cannot be determined without knowing the densities of the blocks.

+1

Answers (1)

Know the Answer?

Desiree Vaughn · Answer 1

The buoyant force is the weight of the displaced water. The iron is displacing a full 50 cm^3 of water, but the wood is only displacing part of it. So the buoyant force on the iron cube is greater.