A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 199
w Fig. 104. 2 fore —77 hut gg = fs, hence gG = $$, and 180 STATICS. [171. the centre of gravity of W be at G, of w9 at g9, and ofthe remainder (w) at g99. Join g9 and G, and take on the line produced ~4~f — ~r, — tff ,1 then is a the r Gg9 to W—tv9 u required point. For example, let the whole body… … Fig. 105. circle whose centre is g9, and whose diameter is the w9 1radius (R) of the larger circle. Then — = —, and W or ZT*) =: q 5 also> 9fG — ^R\ hence -7TJT = q > JF - w \ wl 3 » £ > Gg9 3; and Gg99 = -J-JK. EXAMPLES. XXIV. Cto-6 e?/ ^ra«%. Articles 159-171. [The connecting rods…
Mechanics
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-132-363.webp)
![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-299-194.webp)
