A closed container is completely filled with cooking oil. The top of the container is a flat, horizontal lid.
In which direction is the lid pushed by the oil?
Horizontally, parallel to the surface of the lid
Upwards and outwards, at an angle to the lid
Vertically downwards, in the direction of the oil's weight
Vertically upwards, away from the oil
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.