10. An N.C.C cadet of 50kg mass climbs a hanging rope steadily and covers a distance (vertical height) of 4m. What is the work done by the cadet ?
(g=9.8 m/s2)(H.W)
work done's my neg.
1. 1940 J
2. 1950 J
3. 1960 J 4. 1980 J
answer this with the correct explanation.
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