Which of the following conditions must be met for a solid block to float when placed in a liquid?
The volume of the block is greater than the volume of the liquid
The mass of the block is less than the mass of the liquid
The density of the block is less than the density of the liquid
The surface area of the block is greater than the surface area of the liquid
33 exam-style questions on OCR GCSE Physics Pressure. Each one has a worked solution and a mark scheme showing where the marks go.