Q.
A hanging mass $M$ is connected to a four times bigger mass by using a string-pulley arrangement. as shown in the figure. The bigger mass is placed on a horizontal ice-slab and being pulled by $2 \,Mg$ force. In this situation. tension in the string is $\frac{x}{5}$
$Mg$ for $x =$_______ . Neglect mass of the string and friction of the block (bigger mass) with ice slab. (Given $g=$ acceleration due to gravity)
Solution:
