Convert newton [N] to poundal [pdl] Online | Free force Converter

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Newton [N]


The newton (N) is the SI unit of force.



  • It is defined as the force required to accelerate a mass of one kilogram at a rate of one meter per second squared.



  • Mathematically:



1 N=1 kg⋅m/s21 \text{ N} = 1 \text{ kg} \cdot \text{m/s}^2

  • Named after Sir Isaac Newton for his work on classical mechanics.



  • Commonly used to measure forces such as weight, tension, and thrust in physics and engineering.



Example: The weight of a 1 kg mass under Earth's gravity is approximately 9.8 N.


Poundal [pdl]


The poundal is a unit of force in the foot-pound-second (FPS) system, mainly used in the United States.



  • It is defined as the force required to accelerate a one-pound mass by one foot per second squared.



  • Mathematically:



1 pdl=1 lb×1 ft/s2=0.138255 newtons1 \text{ pdl} = 1 \text{ lb} \times 1 \text{ ft/s}^2 = 0.138255 \text{ newtons}

  • The poundal is smaller than the pound-force since Earth's gravity accelerates a pound mass at approximately 32.174 ft/s², making:



1 lbf=32.174 pdl1 \text{ lbf} = 32.174 \text{ pdl}

  • It is mostly of historical interest and rarely used in modern engineering but can appear in classical mechanics problems using the FPS system.



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