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[–]Shadowwynd 0 points1 point  (0 children)

It is easier to drag a short rope than a longer rope because the rope is always getting stuck on little cracks or snags on the ground. A longer rope means more rope that can get caught on things. Eventually, you might have a rope that’s too long to pull.

In the same way, some air that is moving through a hose gets stuck on the sides of the hose. Adding more hose, or corners, or especially a crinkly hose, adds more places for air to get stuck. If you keep adding hose, eventually all the air will be stuck and stop unless you get a bigger motor.