williamzjhrts0179 williamzjhrts0179 15-05-2023 Engineering contestada a cam operating an oscillating roller follower Draw the profile of the cam if the ascent and descent both take place with S S = 19.5 mm :Oa= 75° ;0=105° - 81= 60°; rc=22 mm :82= 120°; 7.5mm;