Which statement accurately describes the difference between a 2:1 and a 3:1 hauling system?

• A. 3:1 provides less mechanical advantage than 2:1.
• B. 2:1 uses two parts of rope supporting the load (less mechanical advantage), while 3:1 adds a purchase for greater advantage but requires more rope and setup.
• C. Both systems provide identical mechanical advantage.
• D. 2:1 uses three rope parts and more setup time.

Answer: (B)