Question

Of a lever which allows 40 N load to be lifted with a force of 8 N.

Answer 1

$\text{Given}:$ Load= 40 N, Effort= 8 N

$\text{Solution}:$

Mechanical advantage of lever=$\frac{Loadforce}{effortforce}$= $\frac{40}{8}$= 5

$\text{Hence 5 is the correct answer}$