Consider the following statements about radial cams:
1. For a roller follower the radius of the prime circle is equal to the radius of the basic circle
2. During the complete rotation of a radial cam the pressure angle remains constant.
Which of the statements given above is/are correct?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2