Question

What do you mean by the mechanical advantage of a lever?

Answer 1

The factor by which a machine multiplies the force applied is called the mechanical advantage of that machine.

𝑀𝑒𝑐ℎ𝑎𝑛𝑖𝑐𝑎𝑙 𝐴𝑑𝑣𝑎𝑛𝑡𝑎𝑔𝑒 𝑜𝑓 𝑙𝑒𝑣𝑒𝑟
$=\frac{LoadL}{EffortE}$
$=\frac{EffortarmFA}{LoadarmFB}$