A uniform rod of mass 2kg and length 1m is lying on a horizontal surface. If the work done in raising one end 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 surfa

1.	A uniform rod of mass 2kg and length 1m is lying on a horizontal surface. If the work done in raising one end of the rod through an angle 45^(@) is 'W', the work done in raising it further through 45^(@) is
Answer» W `sqrt2W` `W//sqrt2` `(sqrt2-1)W` ANSWER :D