A uniform rod of mass 2kg. And length 1m is lying on a horizontal surface.If the work done in raising oneend of the rod through an angle 45^(@) is .W., the work done in raising it further through 45^(@) is,

A uniform rod of mass 2kg. And length 1m is lying on a horizontal surf

1.	A uniform rod of mass 2kg. And length 1m is lying on a horizontal surface.If the work done in raising oneend of the rod through an angle 45^(@) is .W., the work done in raising it further through 45^(@) is,
Answer» W `SQRT(2) W` `W//sqrt(2)` `(sqrt(2) - 1)W` ANSWER :D