Duncan, J. (John), d. 1941 · London, MacMillan and co., limited · leaf 282
FIG. 281.—Normal and shearing stresses. These equations require further examination. Both (i) and (2)refer to sections taken perpendicular to the paper, and give themaximum shearing stresses for such sections. Fig. 282 (a) shows abar under axial pull stress pl and transverse pull stress /2,…
Mechanics
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-356-247.webp)
