header bg

Scan QR code or get instant email to install app

Question:

In the figure below, if gear 1 turns counterclockwise (as shown by the arrow), which of the gears will also turn in the same direction?

image
A 3 and 4
explanation

Gear 1 turns counterclockwise causing gear 2 to turn clockwise which results in gear 3 and 4 to turn counterclockwise