Question
What is the mechanical advantage of a nail puller—similar to the one shown in Figure 9.24 —where you exert a force 45 cm from the pivot and the nail is 1.8 cm on the other side? What minimum force must you exert to apply a force of 1250 N to the nail?
Question Image

$\textrm{ MA} = 25$

$F_i = 50 \textrm{ N}$

Solution Video