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Updated: June 22, 2025
She was influenced by counteracting forces, those of gravitation drawing her towards the centre of gravity of the earth, and the centrifugal force, which in the first instance was the stronger, so that her orbit for a lengthened period gradually increased until the two forces, those of attraction and repulsion, came into a condition of equilibrium, and she now performs her revolution round the earth at a mean distance of 240,000 miles, in an orbit which is only very slightly elliptical.
In civilized society these centrifugal and centripetal forces find expression in the anarchic and radical spirit which breaks down and re-forms existing institutions, and in the conservative spirit which preserves and upbuilds by gradual accretion; they are analogous to igneous and to aqueous action in the formation and upbuilding of the earth itself, and find their prototype again in man and woman: man, the warrior, who prevails by the active exercise of his powers, and woman, "the treasury of the continued race," who conquers by continual quietness.
He rushes close to the left bank and, careering gracefully to the right like an Algerine felucca in a white squall, dares the laws of gravitation and centrifugal force to the utmost limitation, and describes a magnificent segment of a great circle. Almost before you can wink he is straight again, and pegging along with irresistible pertinacity.
The abandoned molecules would continue to revolve around this body, since their centrifugal force was balanced by their weight. But this equilibrium not arising in regard to the atmospheric molecules parallel to the solar equator, the latter, on account of their weight, approached the atmosphere as they condensed, and did not cease to belong to it until by this motion they came upon the equator.
CENTRIFUGAL ACTION. At the same time the running gear, and the frame which carries it and supports the machine while at rest, being below the planes, a centrifugal force is exerted, when turning a circle, which tends to swing the wheels and frame outwardly, and thereby still further elevating the outer end of the plane.
Only where the centrifugal force has all along been very great, and remains powerful to the last, as in Saturn, can we expect dense rings to be formed. We find, then, that besides those most conspicuous peculiarities of the Solar System which first suggested the theory of its evolution, there are many minor ones pointing in the same direction.
"Now, the air, as you know, is held to the earth's surface by gravitation, but, being gaseous, it is not held as closely as if it were in a solid state. Also, there is centrifugal force to be considered. Also the fact that the earth is not round, but flattened at the poles. Also the important fact that air at the equator is more heated than at the Polar regions.
The atmosphere of the sun could not have extended indefinitely. Its limit was the point where the centrifugal force due to its movement of rotation balanced its weight.
There are two great forces in the universe, not one, as many scientific people fail to remember Gravity and Apergy, or the centrifugal and centripetal forces. The pull in is and must be always balanced by the pull out. There is in the universe as much repulsion as attraction, and the former is a force quite as important as the latter.
If, as you suppose, the earth is being drawn on so as to be precipitated against the sun, the great center of attraction of our system, it could only be because the centrifugal and centripetal forces that cause the planets to rotate in their several orbits had been entirely suspended: in that case, indeed, the earth would rush onwards towards the sun, and in sixty-four days and a half the catastrophe you dread would inevitably happen."
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