a. Which pulley set up has the most number of supporting ropes?b. Which pulley set up has the least number of supporting ropes?c. Which pulley set up has the most mechanical advantage?d. Which pulley set up has the lowest MA?e. Which pulley set up would require the least force to to lift an object?f. Which pulley set up would require the most force to use to lift an object?g. Which pulley set up would require the most amount of rope to be pulled to lift an object?h. Which pulley set up would require the least amount of rope to be pulled to lift an object?i. Which pulley set up would likely offer the most friction?j. Which pulley set up(s) would likely offer the least friction?k. Which pulley set up(s) would likely offer the most efficiency?l. Which pulley set up(s) would likely offer the least efficiency?

CD