In case of lower pairs
A)There is surface contact between the two elements while in the motion
B)There is line contact between the two elements while in the motion
C)There is point contact between the two elements while is motion
D)The contact is only at lower end of the two elements while in motion
E)None of the above

Question

Quizplus · Accepted Answer

Lower pairs in mechanics refer to pairs of elements in a machine where there is surface-to-surface contact between the elements when they are in motion relative to each other. This is in contrast to higher pairs, where there might be line or point contact.

In Case of Lower Pairs