Pound (force)

The pound or pound-force (symbol: lb, lb_f, or lbf) is a unit of force used in some systems of measurement including English Engineering units and the British Gravitational System. Pounds of force are not to be confused with foot-pounds or pounds-feet, which are a unit of torque, and may be written as "lb·ft" or "lb_f·ft".

Definitions

The pound-force is equal to the gravitational force exerted on a mass of one avoirdupois pound on the surface of Earth. Since the 18th century, the unit has been used in low-precision measurements, for which small changes in Earth's gravity (which varies from place to place by up to half a percent) can safely be neglected.

The 20th century, however, brought the need for a more precise definition. A standardized value for acceleration due to gravity was therefore needed. Today, in accordance with the General Conference on Weights and Measures, standard gravity is usually taken to be 9.80665 m/s² (about 32.174 049 ft/s²).

The acceleration of the standard gravitational field (g_n) and the international avoirdupois pound (lbm) define the pound-force as:

KLBF

KLBF (89.1 FM, "K-Love") is a radio station licensed to serve Lincoln, North Dakota, serving the Bismarck-Mandan area. The station is owned by the Educational Media Foundation. It airs a Christian adult contemporary music format.

The station was assigned the KVLQ call letters by the Federal Communications Commission on March 28, 2003 and aired the K-LOVE network until 2008. From 2008 to November of 2010 the station was branded as "God's Country Radio" airing a Christian country and Southern Gospel.

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