The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 108
in the corresponding force, will bethe moment of that force, tending to turn the board uponthe point P ; and then the principle of the equality of mo-ments will be obtained. FnXOB-^FtX 0 r-^^F s X 0 e.EXAMPLES. Ques. 1. Let A B, be a platform with a load C upon it,supported by a chain AD; it is… … CONSTRUCTION. Through the point C, draw the vertical line C 0, inter-secting the direction of the chain in the point 0, join Band 0^ and from a scale of equal parts set off 0 n equal tothe units in the weight placed at C ; draw r n parallel toA D, and r e parallel to C 0, then 0 n r e will be the…
Mechanics, Applied
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