A History of Mechanics
Dover 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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Evidently the necessity of a power y for pulling the weight 2 on the horizontal
plane derives from Aristotle's dynamics, in which all unnatural motion requires a
motive agency. The argument by which Pappus introduces the lever eam
rest and falls along the line of greatest slope on differently inclined planes of
equal height are the same when it arrives at a given horizontal. He also showed
that “if the same moving body falls, starting from rest, on an inclined plane and
Suppose the horizontal plane is drawn and that EDF is a right section of it. Let DA
, DB, DC be the rigid lines joining the points to each other in a rigid way. Now set
the weights in motion so that A comes to E in the plane EF. Since all the rods ...
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