Which of the following property of the instantaneous center is correct?

• A. The two rigid links have no linear velocity relative to each other at the instantaneous centre.
• B. All of these
• C. A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.
• D. The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.

Answer: (B)