Jee Main
Work Power And Energy
JEE Main 2021 (Online) 22th July Evening Shift
MCQ+4 / -12021
A porter lifts a heavy suitcase of mass 80 kg and at the destination lowers it down by a distance of 80 cm with a constant velocity. Calculate the work done by the porter in lowering the suitcase.
(take g = 9.8 ms\(-\)2)
(take g = 9.8 ms\(-\)2)