Mechanics of engineering. Comprising statics and dynamics of solids: and the mechanics of the materials of constructions, or strength and elasticity of beams, columns, arches, shafts, etc (1888)
Church, Irving P[orter], 1851- [from old catalog] · New York, J. Wiley & sons · leaf 106
Fig. 100. Fig. 100a. Let Xbe an axis of symmetry ; then, given Ix and IY (O isanywhere on X)% required Iv, U being an axis through O andmaking any angle a with X. lv =fv*dF=f(y cos a — x sin otfdF\ i.e., In = cos2 cxfydF — 2 sin a cos afxydF-\- sin3 afx*dF. But since the area is symmetrical about…
Mechanics, Applied · Engineering · Strength of materials
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