Systems of Pulleys

What is Systems of Pulleys? Differentiate first, second and third Systems of Pulleys.

The following three systems of pulleys are commonly used :

1. First system of pulleys. For such a system, velocity ratio is:

Title: First system of pulleys - Description: First system of pulleys

where

n = Number of pulleys

2. Second system of pulleys. For this system, velocity ratio:

Title: Second system of pulleys - Description: Second system of pulleys

3. Third system of pulleys. For such a system, velocity ratio:

Title: Third system of pulleys - Description: Third system of pulleys