In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded off at the beginning and at the end of each stroke. This is done
Options:
A . Because of difficulty in manufacturing cam profile
B . Because of loose contact of follower with cam surface
C . In order to have acceleration in beginning and retardation at the end of stroke within the finite limits
D . Because the uniform velocity motion is a partial parabolic motion
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