car belts

From a financial perspective, the costs associated with injuries sustained from not wearing a seat belt can far exceed the initial investment in seat belt maintenance and replacement. The Centers for Disease Control and Prevention (CDC) state that seat belts reduce the risk of death by 45% for front-seat passengers and are an essential line of defense in accidents. Not using a seat belt can lead to severe personal injury or even fatality, resulting in not only high medical costs but also potential legal consequences.


...

A belt and pulley system consists of a loop of flexible material—the belt—wrapped around a series of pulleys. The pulleys are connected to different components of a machine. When one pulley rotates, the belt transmits this rotational motion to other pulleys, which can drive different machines or parts of a machine. The speed of the driven pulley (output) in relation to the driving pulley (input) can be adjusted based on the size and configuration of the pulleys.


...