Pressure is a measure of how concentrated a force is. The amount of pressure exerted on an object depends on the force applied and the surface area it is spread over. Force diagrams and resultant ...

Revise IGCSE Physics by listening to these podcasts ... JAMES: Yeah, and there are two different types of forces, aren't there? ELLIE: Yeah, so there's contact forces and non-contact forces.

Put simply, it’s the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with which they interact.