In loading a truck, a man lifts boxes of 100 N each through a height of 1.5 m.
Channel: Doubtnut
Date: 2020-01-26

In loading a truck, a man lifts boxes of 100 N each through a height of 1.5 m. (a) How much work does he do in lifting one box ? (b) How much energy is transferred when one box is lifted ? (c) If the man lifts 4 boxes per minute, at what power is he working ? (`g = 10 m s^(-2`)