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Research in the International Space Station is not being done in "microgravity"(C&EN, Feb. 1, page 32). The textbook "Physics, Including Human Applications" by Fuller, Fuller, and Fuller (Longman ...

In this post, I am going to talk about real and not-real forces, like the fake centrifugal force. (If you don't like the word fake you could replace that with fictitious.) First, an example: Suppose ...

The ancient Greeks proved over 2,000 years ago that the Earth was round and figured out how big it was by using simple observations of the Sun. But how do people know this today? When you drop ...

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 ...

The shocking death of a 4-year-old Sellersville boy on the Mission: Space ride at Disney World last week had many people talking about the effects of centrifugal force on human beings. To understand ...

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 ...