in the case of the actual levers. We assume that the lever lengths are drawn in feet, and the forces in lines representing pounds. a — fulcrum; f = the point where the force F attacks; l = the point where the load L attacks ; and f , f", V , F subsequent positions of f and /. We have in Fig. i F X… … The force exerted against the fulcrum is the algebraic sum of load and force. Algebraic sum means the values with the sign attached, indicating their direction, viz. : 4- and ■ — . If force and load have the same direction, the force exerted upon the ful- crum is = F -f- L. If the force and load…
Brewing · Malt
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