A uniform rod of length 2m and mass 5 kg 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 an angle 30^(@) with the horizontal is, (g=10 ms^(-2))

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

1.	A uniform rod of length 2m and mass 5 kg 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 an angle 30^(@) with the horizontal is, (g=10 ms^(-2))
Answer» 25 J 50 J `25sqrt(3)J` `50sqrt(3)J` ANSWER :A