Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 133
point, but also inaxis; reference to a right line, supposed fixed. Thus, suppose the forces P, Q, andtheir resultant B, toact along the parallellines A P, B Q, andG B, respectively.Assume any line, asML, at pleasure;conceive a planedrawn through thisline and perpendicu-lar to the plane ofthe… … BxKG = PxKA + Qx KB; whence MECHANICS OF SOLIDS. 129 D „ KA „ KB But from the similar triangles, KAA, KBB, andKG G, we have KA KA KG ~ KG KB KB KG ~ KG which, substituted in the above equation, gives, on clear-ing fractions, R X KG = P x KA + Q x KB . . . (36). Dividing both members by R X KG, R A…
Mechanics · Acoustics · Optics
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