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Mechanical Engineering QUESTION #2477
Question 1
A kinematic pair of the 5th class (full kinematic pair) such as a revolute (pin) joint in a planar mechanism removes how many degrees of freedom from relative motion between two links?
  • \(1\) DOF
  • \(2\) DOF
  • \(5\) DOF✔️
  • \(3\) DOF
Correct Answer Explanation
A kinematic pair of the \(j\)th class removes \(j\) DOF from the relative motion of the connected links. A 5th-class pair removes 5 DOF, leaving 1 DOF.