Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 241
n is zero whatever the change of speed,because the line of action of the force passes through the pivot. In Fig. 252 this moment is a maximum. In intermediate positionsthe moment of the force producing tangential acceleration is equal tothe force multiplied by the perpendicular distance CD, between… … Fig. 253. Fig. 254. Fig. 255. according to the position of the pivot of the ball arm in relation tothe centre of gravity of the weight. Thus, if in Figs. 254, 255 thedisc is rotating clockwise as shown, then in Fig. 254 the moment ofthe tangential force acting during increase of velocity of the…
Steam-engines
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