A uniform chain of length `L` and mass `M` is tying on a smoth table and one third of its

A uniform chain of length `L` and mass `M` is tying on a smoth table and one third of its length is banging vertically down table the edge of the table if g is acceleration the to gravity , the work required to pull the hanging part on the table is

[@dpq1426]

Final part it was actually to be substituted with L/6 ,may be writing mistake.. otherwise helpful video overall

[@JannatKamboj-jf5mi]

Yes brother

[@JannatKamboj-jf5mi]

Sir length we have to take L/6 u have taken L / 3 but ur ans is correct. If ur taking L/3 ans will come mgL/ 9 . But u have explained above that if the displacement we be L / 6 then p. E we will get our w. D will come