M

Mr. Dubey • 52.30K Points
Coach

Q. If two moving elements have surface contact in motion, such pair is known as

(A) Sliding pair
(B) Rolling pair
(C) Surface pair
(D) Lower pair
Correct : Option (D)

Explanation:
When two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as lower pair.

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