What type of power transmission mechanism uses gears?

The gear drive system is a mechanical power transmission mechanism that exclusively relies on the use of gears to transfer motion and torque between different components. Gears can effectively change the speed and direction of movement, providing precise control over mechanical operations.

In a gear drive system, the arrangement of gears, including their sizes and teeth configuration, allows for a significant advantage in terms of efficiency and accuracy in transmitting power. This system is particularly advantageous for applications requiring high torque and low speed, making it ideal for various machinery and automotive applications.

While other power transmission mechanisms, such as belt drives and chain drives, have their own distinct methods of transferring power, they do not utilize gears. Belt drive systems rely on pulleys and belts, chain drive systems use chains and sprockets, and fluid transmission systems employ hydraulic or pneumatic fluids. Therefore, the unique characteristic of the gear drive system being centered around gears makes it the correct choice in this context.