box hangs. A box hangs from a string that runs over a pulley and back down to where a secondSelect all the following that applyA) weight = mg, pulling straight down on both boxesB) the normal force, pushing straight up on both boxesC) the string pulling to the right D) friction resisting the motion, pulling to the leftE) the tension in the string pulling straight up on both boxes F) the tension in the string pulling straight up only on the heavier box