when the automobile demands velocity ratios, the feeding conical pulley (sheave) over the input shaft moves towards the fixed pulley which in turn shifts the A part of v-shaped belt wrapped more than the input pulleys in the direction of the increased cross-sectional Component of the conical enter pulleys. https://gearboxcvt53074.blogacep.com/37555508/considerations-to-know-about-gearbox-cvt