A chain of mass M and length L is held vertical by fixing its upper end to a rigid support. The tension in the chain at a distance y from the rigid support is:

Options

A. Mg
B. `((L-x)/(L))Mg`
C. `((L)/(L-x))Mg`
D. `(x)/(L)Mg`

Answer

B

Explanation

(b) `T_(x)=`mass of rope of length `(L-x)xxg=(M)/(L)(L-x)g`