em 1: A uniform slender rod of length L = 900 mm and mass m = 4 kg is suspended from a hinge at C. A horizontal force P of magnitude 75 N is applied at end B. Knowing that F-225 mm, determine (a) the angular acceleration of the rod, (b) the components of the reaction at C. 2 MR+MR *) (9)²+4 (235) 1.2025 4725 Mo at C .4725 -75 (675)=() 1-11-0 с B P