Fluids and pressure
Fluids and pressure
A fluid is a substance that can flow because its particles move past one another. Liquids and gases are fluids, whereas particles in a solid are held in fixed positions and can only vibrate.
Step-by-step lessons on AQA GCSE Physics 5.5.1 Pressure in a fluid. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.