A body of mass `30kg` is hung by a spring balance in a lift. What would be the reading of the
Channel: Doubtnut
Date: 02/08/2020

A body of mass `30kg` is hung by a spring balance in a lift. What would be the reading of the balance when the lift is  (i) descending with a constant velocity of `5m//s`  (ii) ascending with a constant velocity of `10m//s` .