James and Ellie introduce elastic potential and explain the key equations needed to understand the relationship between forces and extension. ELLIE: Hello and welcome to the BBC Bitesize Physics ...

This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion ... answers and applying logic to equations, skills that are generic across ...

Newton’s theory of universal gravitation says that every particle in the universe attracts every other particle through the force of gravity ... His simple equation for universal gravitation ...

is in alignment with quantum physics —- the branch of science that describes the behavior of electrons, photons, and other ...