A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 1138
he mass into the averageproduct of the cross-section, density, and arm correspondingto regularly increasing distances along the axis. The distance from the apex A to the centre of gravity (0)of an isosceles triangle ABO, with base a and altitude a,and unit thickness and A density throughout… … A0 = -^ (^ a^ -^ a) = -^ i a- Now the centre of gravity of a triangle must lie at thecommon intersection of three lines, A 0, BO, and CO, whichbisect the sides BO, AO, and AB\ for if the triangle be cutup into a series of bars parallel to either of the sides, eachbar will balance about an axis…
Physics
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