An elementary treatise on mechanics, embracing the theory of statics and dynamics, and its applications to solids and fluids (1868)
Smith, Augustus W. (Augustus William), 1802-1866 · New York : Harper · leaf 112
ogs at the point ofcontact,Cm,Cm being per-pendiculars from the centersv-> ^ C and C, of the wheels, on that line. Taking the moments about C, when the power and weightare in equilibrium, we have P.CA=S.Cw,and about C, W.CB=S.Cm. Dividing the latter by the former, we haveWCA CmP ~~ CB CmNow, if… … WHEEL AND AXLE. 89 If the direction of the line Sm mS changes as the actionpasses from one cog to the succeeding, the point o will alsochange its position, and the relation of W to P become va-riable. But when the cogs are of such form that the normal S??i mSat their point of contact shall always…
Mechanics, Analytic
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