Lever Mechanical Advantage Equation and Calculator - Case #4

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This lever mechanical advantage equation Case #4 and calculator will determine the force required for equilibrium with the known forces and length.

F x L = W x X


L = (W x X)/F

Levers-Pull (Beam Length Unknown)



(W) Total Load (lbs/kg)


(X) Length to Load (in/mm)


(F) Amount of Force Available (lbs/kg)


  How Long of a Beam is Required?:

(L) Length for Equilibrium (in/mm)