Both pathology have been attributed to damage by free radicals, there has been a great deal of interest in antioxidants. Bilberry's flavonoids are known as potent antioxidants, scavenging free radicals and used for multiple age-related ocular disorders. Thus, bilberry may have health benefits on these conditions.
Tensioner pulleys and idler pulleys keep the belt taut and running smoothly. The accessory pulleys have to spin a certain direction to power their respective parts. This determines whether they ârideâ on the inside or outside of the belt.
Video: Pulleys: Basic Mechanics. Like other simple machines, pulleys can help us lift and move heavy loads with less effort. In this video lesson you'll learn how pulleys do this as well as how this is possible while still obeying the law of conservation of energy. AP Physics 1: Exam Prep / Science Courses.