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 36
but a = the half-chord, hence, finally, x = -tajp • Peoblem 6.—Trapezoid; thin plate, etc.,by the method in the corollary of § 23; equa-tions (3). Kequired the distance x from thebase AB. Join DB, thus dividing the trape-zoid ABCD into two triangles ADB = Fxand DBG = F„ whose gravity xJs are,… … Fig. 21. -_h (ft, + 26,) • w — « • t ; t « The line joining the middles of bx and b2 is a line of gravity, andis divided in such a ratio by the centre of gravity that the fol-lowing construction for finding the latter holds good : Prolongeach base, in opposite directions, an amount equal to the…
Mechanics, Applied · Engineering · Strength of materials
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