Kelvin, William Thomson, Baron, 1824-1907, Darwin, George Howard, Sir, 1845-1912, Tait, Peter Guthrie, 1831-1901 · Cambridge [Eng.] : University Press · leaf 291
ons:— (1) All lines of it parallel to its length become circular arcsin or parallel to the plane ZOX, with their centres in one lineperpendicular to this plane; OZ and all lines parallel to itthrough OY being bent without change of length. (2) All normal sections remain plane, and perpendicularto… … A section DOEof the beam be-ing chosen forplane of i-efer-ence, XO V, let■P, {x,i/,z)he huypoint of the un-bent, and P,{x,y\z) the samepoint of the bent,beam ; each seenin jiiojection, ontluplane i^(^>X, inthe diagnim: andlet p be the radiusof the arc ON,into which the line ON of the strait;ht…
Calculators · Mechanics, Analytic · Tides
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