The 4-oz slider has a speed v = 3 ft/sec as it passes point A of the smooth guide, whic...

The 4-oz slider has a speed v = 3 ft/sec as it passes point A of the smooth guide, which lies in a horizontal plane. Determine the magnitude R of the force which the guide exerts on the slider (a) just before it passes point A of the guide and (b) as it passes point B.