Elements of graphic dynamics; an elementary textbook for students of mechanics and engineering (1919)
Andrews, Ewart S. (Ewart Sigmund) · London, Chapman and Hall, Ltd. · leaf 180
en draw from 0 aline 0, 2 parallel to F4, andthrough 1 a line 1, 2 parallelto F3, the intersection 2 de-termining the length of thevectors for the momentvector diagram to close, andthus determining the re-maining two arms a^, a^.Out of the nine variablequantities, therefore, towhich we can reduce… … FORCE VECTORDIAGRAM MOMENT VECTORDIAGRAM Fig. 94.—Balancing Four WeightsRotating in Diiierent Planes. weights, the number of variables can be reduced to 3 (w — 1),and the number that we may fix at random is 3 (m — 1) — 4,i.e. 3 w — 7. Schuherts Construction for Four Rotating Weights.■—The following…
Mechanics, Applied · Dynamics · Graphic methods
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