A History of MechanicsRoutledge & Paul, 1957 - 671 стор. |
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Сторінка 45
... heavy body . The descent is slower in a fluid which is more dense . Greater width diminishes the gravity . A heavy thing will move more freely as the duration of its fall in- creases . " This is more true in air than in water , because ...
... heavy body . The descent is slower in a fluid which is more dense . Greater width diminishes the gravity . A heavy thing will move more freely as the duration of its fall in- creases . " This is more true in air than in water , because ...
Сторінка 102
... heavy body that rests on the ground and covers a certain area remains in equilibrium when the vertical drawn through ... heavy body will necessarily fall . 99 Here is his proof- " If the line FC , when produced , leaves the centre of ...
... heavy body that rests on the ground and covers a certain area remains in equilibrium when the vertical drawn through ... heavy body will necessarily fall . 99 Here is his proof- " If the line FC , when produced , leaves the centre of ...
Сторінка 139
... heavy body , or an ensemble of heavy bodies should , of its own accord , move upwards and thereby go further away from the common centre to which heavy things tend , so it is impossible that it should spontaneously move if its centre of ...
... heavy body , or an ensemble of heavy bodies should , of its own accord , move upwards and thereby go further away from the common centre to which heavy things tend , so it is impossible that it should spontaneously move if its centre of ...
Зміст
Nicholas Copernicus 14721543 His system of the world | 5 |
The priority of Herman and Euler in the matter of dAlemberts | 6 |
Transformation of Maxwells equations including convection | 11 |
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able acceleration according action appears applied assumed become body called carried cause centre of gravity Century classical complete concept concerned condition connection considered constant continuous corresponding Descartes determined direction distance dynamics Earth effect energy equal equations equilibrium Euler example existence experiment expressed fact fall field fluid function Galileo given hand Huyghens hypothesis ideas impact impetus inclined increases Lagrange length lever light living forces mass matter means measure mechanics motion moving natural necessary observation obtained original particle physical plane position possible principle problem produced proportional Proposition quantity quantum quantum mechanics reference relation relative remains remarked represented resistance respect rest result sense shows simple solution space special relativity starts statics supposed surface taken theory travelled true velocity wave weight World writes