A History of MechanicsDover Publications, 1988 - 662 стор. A remarkable work which will remain a document of the first rank for the historian of mechanics. -- Louis de Broglie |
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... projectile , whose motion was , on the contrary , easier in a vacuum than in air . " Whoever throws a projectile embodies in it a certain action , a certain power of self - move- ment which is incorporated .... Nothing prevents a man ...
... projectile , for this apparatus can be destroyed immediately after the launching without interupting the pro- gress of the projectile . Nor can the motive agency be the air which is set in motion . For the arrows of two archers which ...
... projectile moves rapidly away from its position , Nature , who does not allow the existence of a vacuum , makes the air behind the projectile rush in towards this position with the same velocity . This air pushes the projectile and the ...
Зміст
CHAPTER ONE HELLENIC SCIENCE | 19 |
ALEXANDRIAN SOURCES AND ARABIC MANUSCRIPTS | 32 |
THE XIIIth CENTURY THE SCHOOL OF JORDANUS | 38 |
Авторські права | |
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