What is internal energy?
What is internal energy?
A system is the object or group of objects being studied, such as a metal block, a beaker of water, or the gas inside a container. The internal energy of a system is the total kinetic energy and potential energy of all its particles.
Step-by-step lessons on AQA GCSE Physics 3.2.1 Internal energy. 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.