How Do You Calculate Pressure from Force and Area?

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SUMMARY

The pressure produced by a 2 N force distributed over an area of 0.02 cm² is calculated using the formula P = F/A. First, the area must be converted to standard units of m². The correct conversion is 0.02 cm² equals 0.000002 m², not 0.0002 m² as previously stated. Therefore, the pressure is calculated as P = 2 N / 0.000002 m², resulting in a pressure of 1,000,000 Pa.

PREREQUISITES
  • Understanding of basic physics concepts, specifically force and pressure.
  • Familiarity with unit conversion, particularly between cm² and m².
  • Knowledge of the formula for calculating pressure (P = F/A).
  • Basic arithmetic skills for performing calculations.
NEXT STEPS
  • Study unit conversion methods, especially for area measurements.
  • Learn about pressure units and their applications in physics.
  • Explore real-world applications of pressure calculations in engineering.
  • Investigate the relationship between force, area, and pressure in fluid mechanics.
USEFUL FOR

Students studying physics, educators teaching pressure concepts, and professionals in engineering fields requiring pressure calculations.

joeyz123
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Homework Statement



calculate the pressure (in Pa) produced by a 2 N force distributed over an area of 0.02 cm^2

Homework Equations



P=F/A

The Attempt at a Solution



Ive came out with three different answers.
 
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Show what you did. The first step is to convert the area to standard units of m^2.
 
Doc Al said:
Show what you did. The first step is to convert the area to standard units of m^2.

.02 cm^2 (1m^2/100cm^2)=0.0002m^2.
 
joeyz123 said:
.02 cm^2 (1m^2/100cm^2)=0.0002m^2.
No.

1 m^2 = (100 cm)^2 = 10,000 cm^2
 

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