- #1
yesMariog said:
$$p_A+\rho_{left}g(x+h)=p_D$$
Pressure points in a U-shaped tube refer to the points where the two fluids in the tube are at equal pressure. These points occur at the same level on both sides of the tube and are used to measure the relative pressures of the fluids.
The height of the fluid on each side of the U-shaped tube at the pressure points can be used to calculate the relative densities of the two fluids. The higher the fluid on one side, the lower its density compared to the fluid on the other side.
Yes, two fluids with the same density can have different pressure points in a U-shaped tube if their heights are not equal on both sides. This can occur if one fluid is under more pressure or if there is a difference in the surface tension of the fluids.
The shape of the U-shaped tube does not affect the pressure points. As long as the tube is in a U-shape, the pressure points will occur at the same level on both sides.
If the U-shaped tube is tilted, the pressure points will still occur at the same level on both sides. However, the height of the fluids on each side may change, which can affect the calculation of relative densities.
