To find the velocity ratio of a pulley, you must first find the effort and load distances. then you divide the two and there you have you VR (velocity ratio).
where can you find a pulleyThe local junkyard is the best place for parts. You might want to get a new one and find out why you need a new one in the first place. If it needs to be replaced that may...
Velocity is a vector quantity, so you need to express velocity in terms of both speed and direction. . The simple (but incomplete) answer is to divide the distance over time in the direction...