If the relative motion between two
links is pure sliding, then the relative instantaneous centre is.
not defined
at the point of contact
at a point unit distance away on the common normal at the point sliding
at the infinity on a line perpendicular to the direction of sliding.
at the infinity on a line perpendicular to the direction of sliding.
In a sliding motion, the instantaneous-center lies at infinity in a direction perpendicular to the path of motion of the slider.
This is because the sliding motion is
equivalent to a rotary motion of the link with the radius of curvature as
infinity.
Hence, the correct option is (D).
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