How Everything Works
How Everything Works How Everything Works
 

QUESTIONS AND ANSWERS
 
Question 110

In a siphon, what makes water flow from one container to the other without a pump?
The water is propelled by a pressure imbalance. When the water level in one container is higher than that in the other container, the pressures at the two ends of the siphon aren't equal. There is more pressure on the high water side than on the low water side. As a result, the water accelerates toward the low water side and the water levels gradually become equal.
         

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