
[After Sir Isaac NEWTON.]
Symbol N. The SI unit of force, being the force required to give a mass of one kilogram an acceleration of 1 m s −2. It is named after Sir Isaac Newton (1642–1727).
For more information on newton, visit Britannica.com.
[Etymology: I. Newton; England 1642-1727] force. Symbol N. SI, Metric-m.k.s. Identically kg·m·s-2, i.e. the force that gives to a mass of 1 kilogram an acceleration of 1 metre per second, per second (= m·kg·s-2 in base terms). The following are among the coherent derived units:
• N·m for moment of force;
• N·m = joule for energy, work, quantity of heat;
• N·m·s-1 = watt for power, radiant flux;
• N·s·m-2 for dynamic viscosity;
• N·m-1 for surface tension;
• N·m-2 = pascal for pressure.
The name was advocated in 1935
[Hartshorn L., Vigoureux P. Nature Vol. 136, 397 (1935)] and soon became accepted generally.
| 1946 | CIPM ‘Unit of force. - The unit of force [in the MKS (Metre, Kilogram, Second) system] is the force which gives to a mass of 1 kilogram an acceleration of 1 metre per second, per second.’see note below |
The SI unit of force. One newton is equal to the force required to give a mass of 1 kg an acceleration of 1 ms−2. One newton force is equal to 0.225 lb force, or 1 lb equals 4.48 N.
| new yellow enzyme, neutrophil, neutron number | |
| nexin, nexin 1, nexin 2 |
The SI unit of force; the force that, when acting continuously upon a mass of 1 kilogram, will impart to it an acceleration of 1 meter per second squared. Symbol N.

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Newton is a contraction of "New Town", the name of many places in English-speaking countries. It may refer to:
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