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 35
el to the line in whichthe weight acts, if the Weight be a heavy body hangingfreely from C, AP and BR are vertical.] 33. Pitop. xii. In a system in which the samestring passes round any number of pulleys, and theparts of it between the pulleys are parallel, there isan equilibrium when Po.ver (P) :… … Because there is equilibrium, the portionsof the string which lie on either side of anypulley must be pulled by equal forces; andsince the outside portion, to which thepower is applied, is acted on by a force P,each portion is therefore pulled by a forceP. Wherefore the part of the weight that…
Statics · Hydrostatics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
