Friction is a force that always opposes motion. Force is measured in newtons (N). A force is a push or a pull. Contact forces arise between two objects which are in contact. Non-contact forces act ...

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 ...

Force work explained in a clear, relaxed way – perfect for reviewing! #EasyPhysics #ForceWork #PhysicsReview Mary Trump issues warning on long-term impact of Donald Trump move Great white shark sneaks ...