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<p><strong>A none of the link is fixed B one of the links is fixed C two of the links are fixed D all of the links are fixed</strong></p>
Honestly , I have looked it up: Kinematic chain refers to an assembly of rigid bodies connected by joints that is the mathematical model for a mechanical system.
But thank you for this interesting question, I have learned from looking up the answer, so the correct anser must be: A
Option A
http://en.wikipedia.org/wiki/Kinematic_chain
Kinematic chain refers to an assembly of rigid bodies connected by joints that is the mathematical model for a mechanical system
