Which of the following property of the instantaneous center is correct?
(a) A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.
(b) The two rigid links have no linear velocity relative to each other at the instantaneous centre.
(c) The velocity of the instantaneous centre relative to any third link is same whether the instantaneous centre is regarded as a point on the first link or on the second rigid link.
(d) all of the mentioned
I had been asked this question by my college director while I was bunking the class.
The question is from Number of Degrees of Freedom for Plane Mechanisms topic in section Simple Mechanisms of Machine Kinematics