Flow of water direction

[foo9008]

Homework Statement

the energy level drop from point 1 to 2 , does it mean that the water flow from point 1 to 2 ?

Homework Equations

The Attempt at a Solution

 

[haruspex]

Homework Statement

the energy level drop from point 1 to 2 , does it mean that the water flow from point 1 to 2 ?

Homework Equations

The Attempt at a Solution

Yes. The EL has a gradient because of losses, so the flow must be from the higher EL to the lower EL.