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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 5 - NLM > A man of mass 60 kg records his weight on a weighing machine placed inside a lift. the ratio of weight of man recorded when lift ascending up with uniform speed of 2m/s to when it is descending down with uniform speed of 4m/s will be

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

A person used force (F) shown in figure to move a load with constant velocity on given surface. Identify the correct surface profile: