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Chapter 12: Problem 1

What is the definition of pressure?

Short Answer

Expert verified
Pressure is the amount of force applied per unit area, with the SI unit being the Pascal (Pa), equivalent to one Newton per square meter (N/m^2).

Step by step solution

01

Define Pressure

Pressure is defined as the amount of force applied per unit area. It gives an understanding of how a force is spread over a specific area.
02

Measurement unit of Pressure

The SI unit for pressure is the Pascal (Pa), which is equivalent to one Newton per square meter (N/m^2). Therefore, a pressure of 1 Pa is indicative of a force of 1 Newton being applied consistently across an area of 1 square meter.
03

Provide an Analogy

For a better understanding, consider for example, a person's weight distributed over the area of their feet. If that person stands on one foot, the pressure exerted on the ground is roughly doubled because the same weight is now spread over less area.

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