A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 203
Fig. 110. the product of the weight into the perpendicular dis-tance from S on to the line Gel. This moment vanishes(155, c) only when the condition in Art. 172 is fulfilled. 175. Stable, Unstable, and Neutral Equilibrium. A body is said to be in stable equilibrium when, if slightlydisplaced, it… … Fig. 111. in unstable equilibrium if it tends to move farther fromits original position; it is in neutral equilibrium if, whenmoved slightly, it does not tend either to return or tomove farther. 175.] EQUILIBKIUM. 185 Stable equilibrium is illustrated by Fig. 106, since,as seen in Fig. 109, a…
Mechanics
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