A man of mass 60 kg records his wt. on a weighing machine placed inside a lift. The
Channel: Doubtnut
Date: 2020-05-24

A man of mass 60 kg records his wt. on a weighing machine placed inside a lift. The ratio of wts. Of man recorded when lift is ascending up with a uniform speed of 2 m/s to when it is descending down with a uniform speed of 4 m/s will be