The uniform 10 kg rod AB is 2.0 m long and is hinged at O at a distance h = 0.5 m from its edge A. The rod is released

from rest at its horizontal position at e = 0°. Answer the following at the instant that rod has rotated 60°: (Note: You are required to show the details of your work) (a) Angular acceleration (b) Angular velocity= (c) the normal reaction at O= (d) the tangential reaction at O=