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 ...

Ever felt a force pushing you outward, away from the centre, when you are riding a merry-go-round? It’s the centrifugal force. It is a force that an object perceives when it is moving in a curved path ...

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 ...