In a system of four gears (W, X, Y, Z) driven by pulley V, which gears will rotate clockwise if V turns in the specified direction?

In a gear system, the direction of rotation is determined by the interaction between the gears. When one gear turns, it causes adjacent gears to turn in the opposite direction due to the nature of gear meshing.

In this case where pulley V is the driving source and if it rotates in a specific direction (let's assume it rotates clockwise for the sake of this explanation), the first gear that interacts with it (let's say gear W) will also rotate clockwise. However, when gear W interacts with gear X, gear X will rotate in the opposite direction, which means it will turn counterclockwise. If gear X then meshes with gear Y, gear Y will return to the clockwise direction because it is adjacent to the counterclockwise turning gear X.

Following this chain, if gear W rotates clockwise and is connected to gear Y in such a way that Y is also driven by W, then gear Y will also rotate clockwise. Thus, both gears W and Y will rotate in the same direction (clockwise) when pulley V drives the system.

This creates a pattern where gears that are directly meshed with one another rotate in opposite directions to each other, while gears that are two steps apart will rotate in the same direction.

Therefore,