Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 394
N would but slightly affect the value of F, since only T the small fractional portion ■= of N is taken. We may, therefore, be content with an approximate value for N. To obtain this, we firstomit the consideration of friction, which will make Fig. 247. /= 0, in the above equa- j£ tion, which then… … &= VF2 + Q2 + 2i^.cos<p;and, because F and Q are, in this case, equal, its value: but whence N = Q V 2 + 2 cos <p; 2+2 cos <p = 4 cos21 <p; JSf = Q x 2 cos \ and finally this; 390 NATUKAL PHILOSOPHY. but joining A and B by a right line, as also M and G, wehave the angle A MO, equal…
Mechanics · Acoustics · Optics
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