Definition: The two links or elements of a machine, when in contact with each other are said to form a pair. If the relative motion between them is completely or successfully constrained (i.e. in a definite direction) the pair is known as kinematic pair.
source: Thermodynamics by Youns A. Cengel
afaqueMechanical Engineering
Definition: The two links or elements of a machine, when in contact with each other are said to form a pair. If the relative motion between them is completely or successfully constrained (i.e. in a definite direction) the pair is known as kinematic pair. source: Thermodynamics by Youns A. Cengel