The Cambridge course of elementary natural philosophy; being the demonstrations of the propositions in mechanics and hydrostatics in which those persons who are not candidates for honours are examined for the degree of B.A (1844)
Snowball, John Charles, d. 1855 · Cambridge [Eng.] T. Stevenson; [etc., etc.] · leaf 38
h Pwill have descended in the same time that TV has ascendedthrough Nn. .\ Vel. of P : vel. of TV :: Mm : Nn, (Art. 37. Cor.), :: OM : ON Q>y the assumption made in the enunciation], :: TV : P, by Prop, x; because, by the hypothesis, P and TV originally balanced each other.Wherefore, Assuming,… … 36 MECHANICS. tion of gravity : Ps velocity [in the direction in whichit acts.] (1) Let C, the center of the moveable pulley (see Fi^.Prop, xi.), be raised through any height, as an inch; TVwill thereby be also raised through an inch, and each ofthe strings RB and AP will have been shortened an…
Statics · Hydrostatics
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