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Mechanical Engineering QUESTION #2488
Question 1
The degree of freedom of a 'ball-and-socket' (sphere) kinematic pair is:
  • \(1\) DOF
  • \(2\) DOF
  • \(3\) DOF✔️
  • \(6\) DOF
Correct Answer Explanation
A ball-and-socket (spherical) kinematic pair allows three independent angular rotations between the joined links — it is a 3rd-class pair (removes 3 DOF from 6, leaving 3 DOF).