Woods, Frederick S. (Frederick Shenstone), 1864-, Bailey, Frederick H. (Frederick Harold), 1865- · Boston, New York [etc.] Ginn and Company · leaf 396
tors. Then dA = rdnlQ (§ 176), and R- = /■-, whence theelement of moment of inertia is r^drdd. If the first integration is made with respect to r, the result is the momentof inertia of a strip bounded by two successive radius vectors and a circulararc; hence the limits for r are 0 and a sin 2 $.… … Pig. 219 179. Center of gravity of plane areas. If the center of gravityof any physical body can be expressed by two coordinates x andy, we proved in § lo7 that / xdm I >idm P ./ lm where x and y are the coordinates of the point at which theelement of mass <hn may l>r regarded as…
Geometry, Analytic · Calculus
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