A Theorem on Planetary Motion, or Sunshine and Shadow (Classic Reprint) - Couverture souple

Roberts, Clark

Couverture souple

ISBN 10 : 0282356398 ISBN 13 : 9780282356392

Editeur : Forgotten Books, 2019

Synopsis

Excerpt from A Theorem on Planetary Motion, or Sunshine and Shadow

Motion consists in a continued change of place, in regard to a fixed point, and, is the result of force, either inherent or ap plied, and may be direct or indirect, primary or secondary. Gravitation is a direct inherent force of the primary order. Rotation is the result of force applied, and is of the secondary order, as in the case of weight added to one side of a rotund body, that is well balanced on its central axis, so as to move with ease in either direction. Such body will always be found to rotate in the direction of added weight, which there becomes a force, resulting in the rotation of the body acted upon, and is therefore the rotating force of that body. Hence we speak of the movement as the force of rotation. Weight withdrawn from one side of the body in motionmdwould be attended with the same result, and the waste consequent upon the extraction would require a supply equal to itself in order to sustain the mo tion; also a continuation of added force would be required on the other side. Then the two acting on the opposite sides would agree, and the motion would be peruated accordingly.

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Détails de l'édition

• Éditeur: Forgotten Books
• Date d'édition: 2019
• Langue: anglais
• ISBN 10: 0282356398
• ISBN 13: 9780282356392
• Reliure: Broché
• Nombre de pages: 40
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