Which gear can be used to transmit rectilinear motion?

Which gear can be used to transmit rectilinear motion? Correct Answer Rack and pinion gear

Rack and pinion gear can be used to transmit rectilinear motion. This setup contains a straight rack and a circular spur gear. When the spur gear moves, it drives the rack in rectilinear fashion.

Related Questions

Statement (I): The epicyclic gear train has a central gear and an epicyclic gear which produces epicyclic motion being moved by a crank arm. Statement (II): The arm contains the bearings for the epicyclic gear to maintain two gears in mesh.