When the two elements of a pair are connected in such a way that one can only turn or revolve about a fixed axis of another link, the pair is known as turning pair. A shaft with collars at both ends fitted into a circular hole, the crankshaft in a journal bearing in an engine, lathe spindle supported in head stock, cycle wheels turning over their axles etc. are the examples of turning pair. A turning pair also has a completely constrained motion.
210) Which of the following is a turning pair?
Answer is:
Shaft with collars at both ends fitted into a circular hole
Explanation:
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