A uniform rod of length 4m and mass 0.5kg is suspended vertically so that it can be rotated freely. Find the work done in raising the other end of the rod until it makes an angle of 60^(@) with the vertical. (g = 10 ms^(-2))

A uniform rod of length 4m and mass 0.5kg is suspended vertically so t

1.	A uniform rod of length 4m and mass 0.5kg is suspended vertically so that it can be rotated freely. Find the work done in raising the other end of the rod until it makes an angle of 60^(@) with the vertical. (g = 10 ms^(-2))
Answer» ANSWER :5 J