What was the highest number of washers our motors lifted?
We lifted a highest of nine.
What configuration of motor, batteries, string, wires, etc. accounted for the highest numbers of washers lifted?
We need to put our batteries in series, have three batteries, put the string on the nail, have two wires and have a short string.
Can this lift more than nine washers?
It should be able to lift more than nine washers.