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A Clarification on Centrifugal Force

Science, 2007
The article “Spinning a nuclear comeback” (News Focus, 30 March, p. [1782][1]) contains an erroneous statement about centrifugal force. The article states that “centrifugal forces pushed the gas outward, against the spinning wall.” There is, in fact, no force pushing the gas outward.
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Centrifugal Force and General Relativity

Nature, 1970
THIRRING'S solution for a rotating mass shell is frequently used to illustrate the appearance of centrifugal and Coriolis force in general relativity. In the equations of motion of test particles within the shell, terms appear which are of second order in the shell angular velocity, ω. These terms are conventionally identified with “centrifugal force”,
J M, Cohen, W J, Sarill
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Forces of Centrifugalism

1992
Abstract These trends have a logical progression. At first the network expands because it makes economic and technical sense. Later it expands because it makes political sense. But as the network provider succeeds in providing full service to every household, it also undermines the foundation of its exclusivity.
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Centrifugal force: A gedanken experiment

Physical Review A, 1994
A simple gedanken experiment, the motion of a bead inside a rotating linear pipe, is considered. It is shown that at large enough velocities a centrifugal force acting on the bead changes its usual sign and attracts towards the rotation axis. The motion of the bead is oscillatory, resembling a well-known case of the mathematical pendulum.
, Machabeli, , Rogava
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On Centrifugal Force

The Mathematical Gazette, 1946
What is centrifugal force? On selecting at random about a dozen elementary textbooks on Mechanics to find a definition, I was pleasantly surprised to discover (unless I have inadvertently missed it in any of them) that only four of them mention the name “centrifugal force”, and two only of these four mention “centripetal force” as well.
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