How do you calculate the mechanical advantage of a second-class lever?

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How do you calculate the mechanical advantage of a second-class lever?

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Answer 1 · 2016-02-09T16:21:35

$\frac{E}{L} = \frac{b}{a}$ $E/L=b/a$

Explanation:

$Effort-load-fulcrum$ $"Effort-load-fulcrum"$
$a: distance between effort and fulcrum$ $"a: distance between effort and fulcrum"$
$b:distance between load and fulcrum$ $"b:distance between load and fulcrum"$
$E:Effort$ $"E:Effort"$
$L:Load$ $"L:Load"$
$E \cdot a = L \cdot b$ $E*a=L*b$
$\frac{E}{L} = \frac{b}{a}$ $E/L=b/a$

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How do you calculate the mechanical advantage of a second-class lever?

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