A sliding member AB has attached to a rocker BC, this BC is attached to crank CD. D is fixed end and as crank is rotating about D the slider slides parallel to it. What is the locus of C?

A sliding member AB has attached to a rocker BC, this BC is attached to crank CD. D is fixed end and as crank is rotating about D the slider slides parallel to it. What is the locus of C? Correct Answer Circle

The whole mechanism given here is a slider crank mechanism. The asked point C which is at end of crank always rotates around the D and the member length will not change so the curve traced by that point is circle.

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