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

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Solution

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

𝑀𝑒𝑐ℎ𝑎𝑛𝑖𝑐𝑎𝑙 𝐴𝑑𝑣𝑎𝑛𝑡𝑎𝑔𝑒 𝑜𝑓 𝑙𝑒𝑣𝑒𝑟
$= \frac{L o a d L}{E f f o r t E}$
$= \frac{E f f o r t a r m F A}{L o a d a r m F B}$

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

The factor by which a machine multiplies the force applied is called the mechanical advantage of that machine. 𝑀𝑒𝑐ℎ𝑎𝑛𝑖𝑐𝑎𝑙 𝐴𝑑𝑣𝑎𝑛𝑡𝑎𝑔𝑒 𝑜𝑓 𝑙𝑒𝑣𝑒𝑟 =LoadLEffortE =EffortarmFALoadarmFB