You have been challenged to lift a weight of 200 kg from the floor.Your challenger has the same task and also lifts a 200 kg from the floor but they take longer time to do so.Who has completed more or less work?Explain.Who has used more power?Why?

WORK IS THE SAME. WORK=MASS*G*HEIGHT

POWER IS LESS ON THE SLOW LIFT
POWER=WORK/TIME