A uniform chain of mass.m. and length .L. is kept on a horizontal table with half of its length hanging from the edge of the table. Work done in pulling the chain on to the table so that only 1/5 th of its length now hangs from the edge is

A uniform chain of mass.m. and length .L. is kept on a horizontal tabl

1.	A uniform chain of mass.m. and length .L. is kept on a horizontal table with half of its length hanging from the edge of the table. Work done in pulling the chain on to the table so that only 1/5 th of its length now hangs from the edge is
Answer» `(MGL)/8` `(mgl)/50` `(mgl)/18` `(21mgl)/100` ANSWER :D