A History of MechanicsRoutledge & Paul, 1957 - 671 стор. |
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Сторінка 362
... zero . Since the total moment of the reactions is proportional to the variation of the distance of the two points at which they act , it therefore remains zero , as long as the surfaces remain in contact , whatever the displacement may ...
... zero . Since the total moment of the reactions is proportional to the variation of the distance of the two points at which they act , it therefore remains zero , as long as the surfaces remain in contact , whatever the displacement may ...
Сторінка 363
... zero or negative . Therefore , for all the possible disturbances , the sum of the moments of the applied forces alone is either zero or positive it is zero when the equations which express the condition that contact must take place are ...
... zero or negative . Therefore , for all the possible disturbances , the sum of the moments of the applied forces alone is either zero or positive it is zero when the equations which express the condition that contact must take place are ...
Сторінка 521
... zero ; that is , that n - - 2+ = 0 2 where n = 4 . In Weyl's conception the possibility of Maxwell's theory is thus found to be connected with the fact that the universe has four dimensions . We shall not pursue further the development ...
... zero ; that is , that n - - 2+ = 0 2 where n = 4 . In Weyl's conception the possibility of Maxwell's theory is thus found to be connected with the fact that the universe has four dimensions . We shall not pursue further the development ...
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