The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose)
ω² × OQ
When the two elements of a pair have __________ when in motion, it is said to a lower pair.
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a