The spring shown in figure is unstretched when a man starts pulling on the cord. The mass of the block is M. If the man exerts a constant force F, findthe energy stored in the spring when the block passes through the equilibrium position .

The spring shown in figure is unstretched when a man starts pulling on

1.	The spring shown in figure is unstretched when a man starts pulling on the cord. The mass of the block is M. If the man exerts a constant force F, findthe energy stored in the spring when the block passes through the equilibrium position .
Answer» SOLUTION :`F^2/(2K)`