A uniform rod of length 2m and mass 5kg is lying on a horizontal surface. The work done in raising one end of the rod with the other end in contact with the surface until the rod makes anangle 30^(@) with the horizontal is (g=10ms^(-2))

A uniform rod of length 2m and mass 5kg is lying on a horizontal surfa

1.	A uniform rod of length 2m and mass 5kg is lying on a horizontal surface. The work done in raising one end of the rod with the other end in contact with the surface until the rod makes anangle 30^(@) with the horizontal is (g=10ms^(-2))
Answer» 25 J 50 j `25sqrt(3)j` `50sqrt(3)j` ANSWER :A