From the following data, draw the profile of a cam in which the follower moves
with simple harmonic motion during ascent while it moves with uniformly
accelerated motion during descent : Least radius of cam = 50 mm ; Angle of
ascent = 48° ; Angle of dwell between ascent and descent = 42° ; Angle of descent
= 60° ; Lift of follower = 40 mm ; Diameter of roller = 30 mm ; Distance between
the line of action of follower and the axis of cam = 20 mm. If the cam rotates at
360 r.p.m. anticlockwise, find the maximum velocity and acceleration of the
follower during descent
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