Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 36
m. Tt presents three cases,Indifferent, Stable, and Unstable Equilibrium. 26 ATTEACTION. Indifferent Equilibrium. When a body is sup-ported by its centre of gravity. In this casethe application of any external force willonly cause the body to move around its pointof support and assume a new… … 97. II. Stable Equilibrium results from supporting abody by a point directly over its centre of gravity, as thetruck by the point b, Fig. 23. In asimilar way, a body supported so thatthe line of direction falls at the middleof its base is in stable equilibrium.Any external force then raises the…
Physics
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