Question

a _____________________ is the gear connected to the output, such as a wheel or mechanism in a system. driven gear driving gear idler gears gear ratio gear train

Explanation:

A driven gear is the gear that receives motion and power from another gear (the driving gear) and is connected to the output, like a wheel or mechanism in a system. The driving gear initiates the motion, idler gears are in - between gears that change direction or spacing without affecting the gear ratio, gear ratio is a numerical relationship between gears' teeth or rotational speeds, and a gear train is a set of gears working together.

Answer:

Driven Gear