Q3) A cam operating a knife-edged follower has the following data: (a) Follower moves outwards through 40 mm during 60° of cam rotation. (b) Follower dwells for the next 45°. (c) Follower returns to its original position during next 90°. (d) Follower dwells for the rest of the rotation. The displacement of the follower is to take place with constant acceleration motion during both the outward and return strokes. The least radius of the cam is 50 mm. Draw the profile of the cam when the follower passes through the cam axis. (33.3 marks)