Essays on several curious and useful subjects, in speculative and mix'd mathematicks : illustrated by a variety of examples (1740)
Simpson, Thomas, 1710-1761, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed by H. Woodfall, jun. for J. Nourse ... · leaf 191
-, tis required to find the At-traction at any Place Q^n the Surface of fuch Spheroid, The foregoing Conftrudion being retained, join QO, anddraw O B parallel to R D j then, fince the Attraction whicha Sphere, whofe Denfity at equal Diftances from the Centreis the fame, exerts on a Corpufcle above… … Denfity is defined by Unity, be reprefented by - of the Ra- dius (as in the lafl Propofition) the Attraction of thefore- [ 27] forefaid Excefs of Matter, on a Corpufclc at Qj_ will bereprefented by ^- -o?sr—> or by—.^ Jl^rr-^; or laftly, ■ by -^ + -^R- nearly. Whence, by the Refolution ofForces,…
Celestial mechanics · Calculus · Astronomy
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