A uniform horizontal rod of mass 2.5 kg and length 1.8 m is free to pivot about one end as shown. The moment of inertia of the rod about an axis perpendicular to the rod and through the center of mass is given by I ml 12 -pivot 2.5 kg F 65 - 1.8 m If a 5.7 N force at an angle of 65 to the hor- izontal acts on the rod as shown, what is the magnitude of the resulting angular accelera- tion about the pivot point? The acceleration of gravity is 9.8 m/s. Answer in units of rad/s.