When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a

When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Correct Answer force-closed pair

When the two elements of pair are not connected mechanically but are kept in contact by the action of external forces, the pair is said to be a forced-closed pair.
Bissoy MCQ

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