Definition:SI/Force/Newton
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Definition
The newton is an SI unit of force.
It is defined as being:
- The amount of force required to accelerate a mass of one kilogram at a rate of one metre per second squared.
This arises from Newton's Second Law of Motion, which states that such an acceleration exists under the influence of such a force.
Conversion Factors
\(\ds \) | \(\) | \(\ds 1\) | newton | |||||||||||
\(\ds \) | \(=\) | \(\ds 10^5\) | dynes | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 0.1020\) | kilograms force | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 0.2248\) | pounds force | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 7.233\) | poundals |
Symbol
- $\mathrm N$
The symbol for the newton is $\mathrm N$.
Its $\LaTeX$ code is \mathrm N
.
Base Units
The SI base units of the newton are:
- $\mathrm N := \mathrm {kg} \, \mathrm m \, \mathrm s^{-2}$
where:
- $\mathrm {kg}$ denotes kilograms
- $\mathrm m$ denotes metres
- $\mathrm s$ denotes seconds (of time).
Source of Name
This entry was named for Isaac Newton.
Sources
- 1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $3$: The Laws of Motion: Mass
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $1.$ Units and Abbreviations: $1.2$ SI units $(2)$ Derived units
- 1976: Ralph J. Smith: Circuits, Devices and Systems (3rd ed.) ... (previous) ... (next): Chapter $1$: Electrical Quantities: Definitions and Laws: Definitions: Table $1$-$2$: Important Derived Quantities
- 1976: Ralph J. Smith: Circuits, Devices and Systems (3rd ed.) ... (previous) ... (next): Chapter $1$: Electrical Quantities: Definitions and Laws: Definitions: Force
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): newton
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): force
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): newton
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): force
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): newton
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): constant (in physical laws)
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): newton