Q. A chain of mass $M$ is placed on a smooth table with 1/3 of its length $L$ hanging over the edge. The work done in pulling the chain back to the table is
A) $\frac{MgL}{3}$
B) $\frac{MgL}{6}$
C) $\frac{MgL}{9}$
D) $\frac{MgL}{18}$
Explanation
The correct answer is Option D: $\frac{MgL}{18}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.