A uniform chain of length "L" and mass per unit length is "" is suspended at one end A by inextensible light string and the other end of the chain B is held at rest at the level of end A of the chain (As Shown ). Now The end B of the chain is released under gravity then find the tension in the string at the moment when end B as fallen by distance "y" .
If Tension is expressed as :
Then Evaluate the value of "a + b" ?
Where "a" and "b" are positive co-prime integers .
Figure is not drawn to scale .
Variable mass concept Might Be helpful here :)