Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 162
161. Q = weight of the lever, x = distance from thecentre of gravity of the lever to the fulcrum.Balance the lever over a sharp edge, and the centreof gravity is found. „_ Wl -Qx w_fl+Qx Lever and Static Momentum. 147 … 162.F- F:W=r:R. FR = Wr, Wr WrR R~ F
Mechanical engineering · Engineering
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