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 and centrifugal forces are central to circular motion, but they're not the same. Discover the differences between the two often-confused forces.

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 ...

Centripetal and centrifugal forces are two terms used to describe the physics of circular motion — but only one of them is real. The centripetal force keeps an object moving in a circle and is always ...

The Ideal Instructor as Sought by Children The ability to teach judo techniques, the ability to help them win matches, and ...