A chain of mass m and length L is held vertical such that its lower end just touches the floor. It is released from rest. Find the force exerted by the chain on the table when upper end is about to hit the floor.

A chain of mass m and length L is held vertical such that its lower en

1.	A chain of mass m and length L is held vertical such that its lower end just touches the floor. It is released from rest. Find the force exerted by the chain on the table when upper end is about to hit the floor.
Answer» 2mg 3mg `(5)/(2) MG` `(3)/(2) mg` Answer :B