A gas is sealed inside a rigid box. Which statement about the force the gas exerts on the box is correct?
The force acts downwards on every inside surface of the box
The force acts along the inside surfaces towards the box base
The force acts at right angles to each inside surface of the box
The force acts at right angles only to the base of the box
41 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.