Why do we say that a lift delivers more power

cbse
workandenergy

#1

Why do we say that a lift delivers more power in taking a man up than that delivered by the man climbing stairs through the same height?


#2

It is true to say that a lift delivers mpre power in taking a man up than that delivered by him climbing the stairs through same height. It is because, lift takes less time in taking the man up, so it delivers more power.