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 88
1 A / B ) / > 1Vl Y -JV2 and cos. a- 2AC.BC (R_ri)M-(R.-r,)-<r1+r1>! , which gives a. 2(R-r1)(R-r2) Then (19) iu1.CM-u?3CN=0> or rJ.CM-»*CN=0; sincethe weights of the spheres are as the cubes of their radii.Substituting the values of CM=(R-r,) cos. (180—(a+0))and CN=(R — r2) cos. 6,… … Let ACB be the beam, resting at A against the wall ADK and upon the peg C. The center of gravity g,when there is an equilibrium,will evidently be at somepoint beyond C from A. LetAg=a, DC = &, w= the weightof the beam acting at g, R=the reaction of the wail per-pendicular to itself at A, anaR=…
Mechanics, Analytic
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