Question

A uniform chain has a mass m and length l. It is held on a frictionless table with one sixth of its length hanging over the edge. The work done is just pulling the hanging part back on the table is –

• A.
• B. $\frac { \mathrm { mg } \ell } { 36 }$
• C. $\frac { \mathrm { mg } \ell } { 12 }$
• D. $\frac { \mathrm { mg } \ell } { 6 }$

Answer 1

Answer: (A)

Answer 2