Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 34
m is at the intersection of the diagonals. The centre of gravity of a cir-cle is at the centre. 90. So the centre of gravity of any ir-regular body, as a norse and ball, Fig.20, may be found by suspending it byany three points, and the intersectionof the lines indicated by the plumbline will be the… … *See Section 134. LINE OF DIRECTION. 25 even be entirely without the mass, as in the case of a ring. 92. Line of Direction. A line joining the centre ofgravity of the earth and the centre of gravity of any bodyis called the Line of Direction. The stability of bodiesdepends upon its position. To…
Physics
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