When two elements of a pair are connected such that they can only turn
about a fixed axis of another element, they are called ________.
a spherical pair
a turning pair
a screw pair
a sliding pair
a turning pair
●Inspherical pair one link which is in
spherical shape is turned inside a fixed link.
●In turning pairone link has a turning
or revolving motion relative to the other. The link are connected in such
manner that they can only turn/revolve about a fixed axis of another element.
●In screw pair two mating links have a
turning as well as sliding motion between them.
●In a sliding pair two links have
sliding motion relative to each other.
●In a rolling pair two links of a pair
have a rolling motion relative to each other.
Hence, the correct option is (B).
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