The Science Behind Sucking Water Through a Pipe

AI Thread Summary
The force that enables water to flow through a pipe when sucked is primarily due to pressure differences. This phenomenon is often referred to as siphon action. Capillary action is mentioned but is not the main force at play in this scenario. The key factor is maintaining the end of the pipe lower than the water source to facilitate flow. Understanding these principles is essential for grasping fluid dynamics in siphoning.
ryanbeech
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What do you call the force that enables water to keep coming after you suck on a pipe just as long as you keep the end of the pipe lower than the water level of the source. Is it the pressure difference or is it another force.
 
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I think its called "capillary action", and its due to pressure differences.
 
You are correct ryanbeech. It is the pressure difference between the upper and lower ends that keeps the liquid flowing. It's called a siphon action.
 

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