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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 ...

If a body rotates around an axis other than the one at its own center of mass, it exerts an outward force upon anything that keeps it from going in a straight line. This is the definition ...

It's odd that I have talked about these forces so much. First, I talked about how centrifugal forces were not real and the difference between centrifugal and centripetal forces. Then I talked about ...