What is the mechanical advantage of a nail puller 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? 2. Relevant equations 2. Relevant equations MA= FO/FI * LI/LO 3. The attempt at a solution Ive tried to make the problem but i dont understand it, can someone help me? thanks!