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 29
] and magnitude, the diagonal will representthe resultant force (l) in direction pine of action],and (2) in magnitude. Let AB and AC re-present, in direction and magnitude, the two com-ponent forces that act atA. Complete the paral-lelogram BC, and drawthe diagonal AD. ThenAD will represent… … MECHANICS. 27 and angle DBM = angle BAC (since BD, AC are paralleland MBA cuts them), = angle DCN; /. the third angle, BDM, of the one triangle = the thirdangle, CDN, of the other; and the triangles are equiangularand similar. .-. CD : DN :: BD : DM, and .-., alternately, CD : BD :: DN : DM. Now if…
Statics · Hydrostatics
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