Water Pressure - Horizontal or Lateral

In summary, the pressure exerted by water on a vertical wall, such as a swimming pool, is dependent on the depth at which it is measured and will be the same in all directions. The pressure can be calculated using the weight of water per gallon and the total gallons in a column. The pressure does not change based on the angle of the wall.
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Water weighs about 6lbs per gallon. So if one has a column of water, say, at 10 gallons, the pressure over an area is about 60lbs. This can be deduced to pounds per square inches.

Question:

How much pressure, per square inch, does water exert on a vertical wall such as a swimming pool? Does the pressure change if the wall is not vertcal but, say, at 45 degrees?

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  • #2
The pressure on a vertical wall of a swimming pool depends on the depth at which you measure it.

At any given depth, the pressure is the same in all directions; vertical, horizontal, or anything in between.
 
  • #3


I can provide an explanation for the pressure exerted by water on a vertical wall such as a swimming pool. The pressure exerted by water on a vertical wall is dependent on the height of the water column and the density of water. In this case, if we assume a water column of 10 gallons, which is equivalent to a height of approximately 3 feet, the pressure exerted by the water on the wall would be approximately 60 pounds per square inch (psi). This can be calculated by dividing the weight of the water column (60 pounds) by the area of the wall it is exerting pressure on (1 square inch).

In terms of the wall being at a 45 degree angle, the pressure exerted by the water would be slightly less than 60 psi. This is because the area of the wall that is being exerted pressure on would be larger than if the wall was completely vertical. However, the difference in pressure would be minimal and can be calculated using trigonometric equations.

It is important to note that the pressure exerted by water on a vertical wall is not affected by the shape of the wall, but rather the height of the water column and the area of the wall it is exerting pressure on. Therefore, whether the wall is vertical, at a 45 degree angle, or any other angle, the pressure exerted by the water would be the same as long as the height of the water column remains constant.

In conclusion, the pressure exerted by water on a vertical wall such as a swimming pool can be calculated by dividing the weight of the water column by the area of the wall. The pressure would be slightly less if the wall is not completely vertical, but the difference would be minimal.
 

1. What is water pressure?

Water pressure is the force exerted by the weight of water in a certain area. It is affected by factors such as the depth of the water, the density of the water, and the force of gravity.

2. How is water pressure measured?

Water pressure is typically measured in units of force per unit area, such as pounds per square inch (psi) or newtons per square meter (N/m2). It can be measured using a pressure gauge or by calculating the force exerted on a certain area by a column of water.

3. What is the difference between horizontal and vertical water pressure?

Horizontal or lateral water pressure refers to the force exerted by water against a surface in a horizontal direction, while vertical water pressure refers to the force exerted by water against a surface in a vertical direction. Horizontal water pressure is typically greater than vertical water pressure due to the weight of the water pushing against the surface.

4. How does water pressure change with depth?

As depth increases, the weight of the water above exerts more force, resulting in an increase in water pressure. This is why water pressure is typically higher at the bottom of a body of water than at the surface.

5. What are some factors that can affect water pressure?

Some factors that can affect water pressure include the depth of the water, the density of the water, the force of gravity, the shape and size of the container holding the water, and the presence of any obstructions or barriers that may impede the flow of water.

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