The shown collar has a mass of 1.4 kg and moves along the smooth vertical rod defined by the equation d'e = 0.25 rad/sec, de r=2.0 0 m with e in rad. Knowing that at this instant 0=45 = 1.4 rad/sec and dt dr a, =-2.579 m/s and ag=8.233 m/s? Note: Angle y is the angle between positive unit radial and positive unit tangent vectors with w =38.15 Ur Un A-Determine the magnitude of the tangential force Facting on the collar B-Determine the magnitude of the reaction between rod and collar