A uniform block has density 600 kg/m3. It floats at rest in a liquid of density 800 kg/m3. What percentage of the block volume is above the liquid surface?
20%20\%20%
25%25\%25%
75%75\%75%
80%80\%80%
132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.