Justification: Belt drives are one of the oldest methods of transmitting motion and converting power. They consist of a flexible belt that wraps around two or more pulleys, and the power is transmitted through friction between the belt and the pulleys. Belt drives are widely used in various industries, such as manufacturing, agriculture, and automotive, due to their simplicity, reliability, and cost-effectiveness. They can transmit motion over long distances and can handle high loads, making them suitable for a variety of applications.