Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 137
work performed by theforces P, Q, P, &c, diminishedby the sum performed by the forces P, Q, P, &c.; that is to say, it will be equivalentto the product of the common path, multiplied into thealgebraic sum of all the forces, or into the resultant. Butthis latter product is the quantity of… … § 125.—We have seen, § 122, that the product of theintensity of the resultant of several parallel forces into theperpendicular distance of its point of application from anyplane, is equal to the sum of the products arising frommultiplying the intensity of each force into the perpen-dicular distance…
Mechanics · Acoustics · Optics
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