A block of wood floats on the surface of some water

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

A block of wood floats on the surface of some water. Which of the following statements about the block may be incorrect? (1) The net vertical force on the block is zero. (2) The density of the block is the same as the density of water. (3) The buoyancy force acting on the block is equal in size to the weight of the block. (4) The density of the block cannot be greater than the density of water.

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