Physics, asked by rudaina422, 9 months ago

Why is a pair having surface contact and lower pair?

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Answered by swati4678

8

Here is your answer

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. ... Explanation: In universal joint, there is surface contact between the two elements. Hence, they form a lower pair.

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