When moving a liquid using the siphoning method what is it that makes it flow?
In: Physics
Gravity.
Or if you want to get a bit more technical, the gravitational potential energy of the liquid in the lower part of the siphon is converted to kinetic energy, some of which is converted to elastic potential energy acting on the liquid in the upper part of the siphon and then converting back to kinetic energy over and over to eventually reach the upper reservoir.
Oh and if there’s an atmosphere pushing down on the upper reservoir that helps, too.
But yeah, it really comes down to the weight and stickiness of the liquid.
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