**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 ...

A couple of commenters expressed concern over the use of centrifugal force after my rant on the use of the word force. So, what is the deal with these two terms? Are they ok to use? Are they real ...

Centripetal force: The force that keeps an object fixed in its circular path is the centripetal force. Moreover, this topic deals with the definition, example and formula of it. Centripetal force is a ...