Q71
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.