Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 67
of the same cross section throughout (which isalso assumed symmetrical with respect to the central 46 MECHANICS OF MATERIALS longitudinal plane of bending) is acted on by coupleswhose moments are represented by the curved arrows M.Under these conditions Bernoullis assumption, thattransverse… … Fig. 28 of infinitesimal section, even though the substance mayin no wise be of a fibrous nature. Moreover, it is assumedthat these imaginary fibers act independently of eachother, so that layers parallel to the neutral surface mayexpand and contract without hindrance, and HookesLaw may be assumed…
Mechanics
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