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Lever balance condition


Law of the lever

A lever is in balance when the forces acting on it are inversely proportional to their lever arms.

$$\frac{F_{2}}{F_{1}}=\frac{a}{b}\Rightarrow F_{1}\cdot a=F_{2}\cdot b$$


where,

F1, F2ā€” forces;
a, bā€” lever arms.


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