Newton's principia, first book sections I, II, III, with notes and illustrations and a collection of problems, principally intended as examples of Newton's methods (1900)
ty of the sphericalsector from 0 = ^{0a^ Om) =10A.cos-^POA. If the angle POA become a right angle, the distance of thecentre of gravity of the corresponding sector, which in this casewill become the hemisphere, will be | OA^ as in page 29. (12) To find the direction and magnitude of the… … Let AB be the attracting rod, O the particle attracted hj therod; draw OC perpendicular to AB, join OA, OB, and let acircle be described with centre O and radius OC meeting OA^OB in a, h. Let OpP, OqQ be drawn cutting off the smallportions pq, PQ frora the arc aCh and the rod, respectively,and draw…
Mechanics · Celestial mechanics
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