What is the pressure at 15 ft underwater?

Thread starter cwalker8184
Start date Feb 28, 2012
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Pressure

In summary, pressure is defined as the amount of force applied per unit area and is calculated by dividing the force exerted on an object by the area over which the force is applied. The SI unit for pressure is Pascal (Pa), and it can be measured using various instruments such as manometers, barometers, and pressure gauges. The main factors that affect pressure are the force applied and the area over which it is applied, but other factors like temperature, altitude, and material properties can also play a role. Pressure calculation has practical applications in fields such as engineering, physics, and meteorology, including determining tire pressure, lifting objects underwater, and predicting weather patterns.

Feb 28, 2012

cwalker8184

1. What is the pressure, just from the water, 15 ft underwater?

Homework Equations

The Attempt at a Solution

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Feb 28, 2012

gulfcoastfella

Gold Member

p = ρ[itex]\cdot[/itex]g[itex]\cdot[/itex]h

where p is gage pressure.

FAQ: What is the pressure at 15 ft underwater?

What is pressure and how is it calculated?

Pressure is the amount of force applied per unit area. It is calculated by dividing the force exerted on an object by the area over which the force is applied. This can be represented by the equation P = F/A, where P is pressure, F is force, and A is area.

What are the units of pressure?

The SI unit for pressure is Pascal (Pa), which is equivalent to 1 Newton per square meter. Other commonly used units include atmospheres (atm), pounds per square inch (psi), and bars (bar).

How is pressure measured?

Pressure can be measured using various instruments such as manometers, barometers, and pressure gauges. These instruments typically use a liquid or gas to indicate the pressure exerted on them.

What factors affect pressure?

The main factors that affect pressure are the force applied and the area over which the force is applied. Other factors that can influence pressure include temperature, altitude, and the properties of the material the force is applied to.

What are some real-world applications of pressure calculation?

Pressure calculation is used in various fields, such as engineering, physics, and meteorology. Some examples of real-world applications include calculating the pressure in a car tire, determining the force needed to lift an object underwater, and predicting weather patterns based on changes in atmospheric pressure.