A universal joint is an example of :
Lower pair
Higher pair
Rolling pair
Sliding pair
Lower pair
A Hooke’s joint commonly known asuniversal jointis a lower pair and used to connect two non-parallel and intersecting shafts. It is also used to connect shafts with angular misalignment.
●A pair of links having surface or area contact between the members is known as a lower pair. The contact surfaces of the two link are similar for example, nut and screw, shaft rotating in a bearing etc.
Hence, the correct option is (A).
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