kayladunn901 kayladunn901 10-01-2023 Physics contestada A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of 4 meters. If 400Joules of work is done, how much force must have been applied? A. 4000N B.800N C.100N D.1600N