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 an angle 30^(@) with the horizontal is, (g= 10 ms^(-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 an angle 30^(@) with the horizontal is, (g= 10 ms^(-2))
Answer» 25J 50J `25 sqrt3J` `50 sqrt3J` ANSWER :A