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The Ball and socket joint is an example of

  • A.Sliding pair
  • B.Rolling pair
  • C.Spherical pair
  • D.Turning pair

Answer: C

A ball and socket joint is an example of a spherical pair, since one element in the form of a sphere turns inside another that is a spherical socket, and it allows rotation about all three axes. A sliding pair has linear motion, a rolling pair has pure rolling and a turning pair allows rotation about one axis only.

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