A mechanic uses a chain hoist pulley system to lift a motor from a car. To raise the motor a distance of 1.5 m, the mechanic must pull 7.5 m of chain through the system. What is the mechanical advantage of the chain hoist pulley system?

Question

A   mechanic   uses   a   chain   hoist   pulley   system to   lift   a   motor   from   a   car.   To   raise   the   motor a   distance   of   1.5   m,  the   mechanic   must   pull 7.5   m   of   chain   through   the   system.   What   is the   mechanical   advantage   of   the   chain   hoist pulley   system?

oobleck · Answer

7.5/1.5 = 5