Dyne

Dyne is a unit of force in the centimetre-gram-second (CGS) system of units, equal to the force that would give a free mass of one gram an acceleration of one centimetre per second per second.

Definition

A dyne is defined as "the force required to accelerate a mass of one gram at a rate of one centimetre per second squared". It is a derived unit in the CGS system, a system of units that is based on the metric system but uses centimetre, gram, and second as the fundamental units of length, mass, and time, respectively.

Usage

The dyne is used in physics and engineering to measure force. It is especially useful in the field of fluid dynamics, where it is used to measure surface tension. The dyne per centimetre is the unit traditionally used to measure surface tension in the physics of bubbles.

Conversion to other units

One dyne is equal to 1.0 x 10^-5 newtons in the International System of Units (SI). It can also be expressed in terms of the pound-force, where one dyne is approximately equal to 2.248 x 10^-6 pound-force.

See also

• Force
• Centimetre-gram-second system of units
• Newton (unit)
• Pound-force

References

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