Answer is:
the point on cam pitch curve having the maximum pressure angle
Answer is:
ball and socket joint
Explanation:
When the two elements of a pair are connected in such a way that one element (with spherical shape) turn or swivels about the other fixed element, the pair formed is called a spherical pair. The ball and socket joint, attachment of a car mirror, pen stand etc., are the examples of a spherical pair.
Answer is:
sliding pair
Explanation:
Sliding Pair: When the two elements of a pair are connected in such a way that one can only slide relative to the other, the pair is known as a sliding pair. The piston and cylinder, cross-head and guides of a reciprocating steam engine, ram and its guides in shaper, tailstock on the lathe bed etc. are examples of a sliding pair. A little consideration will show, that a sliding pair has a completely constrained motion.
