A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces. A force ...

**Pre-reqs:** None. I intend to talk about forces and force diagrams, but there is a more fundamental question to address first. What is a force? Most texts define it as a push or a pull. That really ...

Non-contact forces close non-contact forcesA force that affects an object without coming into contact with that object, eg magnetism. are forces that act between two objects that are not physically ...