Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 18
6 VAN NOSTRAND'S ENGINEERING MAGAZINE. which the stress at o is normal, of equal may be taken to include fluid stress as the particular case in which the ine- intensity and of the same sign; then the quality is infinitesimal. In this state of stress on any plane, as x'x', traversing o stress there… … this kind of stress, but we may advan- tageously notice one of its properties in For consider a prism a unit long and this connection. It has been seen pre- of infinitesimal cross section having the face mn \\ x'x\ then the forces fx and/^ 0 viously from considerations of symmetry acting on the…
Engineering
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