Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 114
ver, as we wish to deal only with very elementary mathe-matics, we sh:dl consider only those eases in which the angleC A B is 30°, 45°, or 60°. If the angle C A B is 30°, the triangle A C B is evidently half an equilateral triangle (Kiielid I., 5 and 32), and B C = i v/oA C, and, therefore A B =… … 98 DYNAMICS. From the :i!iove, of the truth of which the student shouldthoroughly satisfy himself, it will be seen that, the resolved partof a force F in a direction making an awjle of 30° with its line oj action IS i x :;/ if the WKjle is 45° the resolved part is •2 V- F X ; if the angle is 60°,…
Physics
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