Multiple choice

For the given statements:

I. Mating spur gear teeth is an example of higher pair II. A revolute joint is an example of lower pair

Indicate the correct answer.

  1. Both I and II are false

  2. I is true and II is false

  3. I is false and II is true

  4. Both I and II are true
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Higher pair has line or point contact and lower pair has surface contact. In spur gear there is line contact so it is a higher pair while in revolute joint there is surface contact so it is a lower pair.

Keep practicing — related questions