Modern carpentry and joinery : being a compilation of the very best things and most modern and practical methods known in the arts of carpentry and joinery (1910)
Hodgson, Frederick Thomas, 1836- · Chicago : F. J. Drake & Co. · leaf 315
d adding varying weights to 312 MODERN CARPENTRY each of the three ends of the string, it can be demon-strated clearly how the three forces act. In Fig. 8 theweights are respectively 5, 6, and 4 lbs. By drawingthe parallelogram A B D C, such that A B equals 5units in length, and A C equals 4 units,… … Fig. 6. Fig. 7. Triangle of Forces. The triangle of forces is used todetermine the magnitude and direction of any threeforces which balance each other. The rule may bestated as follows: If three forces acting at a point arein equilibrium they can be represented in magnitudeand direction by the…
Carpentry
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