Question
Write down a relation expressing the mechanical advantage of a lever.
✓
Answer
$
\text { M.A. of a lever }=\frac{\text { Load }}{\text { Effort }}=\frac{\text { Effort arm }}{\text { Load arm }}
$
This is the expression of the mechanical advantage of a lever.
\text { M.A. of a lever }=\frac{\text { Load }}{\text { Effort }}=\frac{\text { Effort arm }}{\text { Load arm }}
$
This is the expression of the mechanical advantage of a lever.
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