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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“Now it is clear that in order that the system drawn by these different powers may
remain in equilibrium, it is necessary that the weight should be unable to descent
by any infinitely small displacement of the points of the system. For since the ...
If p is displaced along p' (by dp) the end of the arm h' is correspondingly
displaced, and the axis 6 can evidently be chosen in such a way that the
displacement of q (required by the straight lever) is exactly equal to do. An
assembly on ...
that the point p of the system of levers is connected with the point p of the given
system, the assembly of levers will be carried along in the displacement of the
given system, and the points q and q, r and r, . . . of the two systems will not
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