Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 106
— If force be measured in dynes, absolute … GravitationFig. 58. and distance in centimeters, the work done is expressed in. aC.G.S. unit called an erg. An erg is the work done or energyimparted by a force of one dyne working through a distance ofone centimeter. In purely scientific investigations absolute units are em-ployed. > The pupil…
Physics
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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-167-94.webp)
