The relationship between kilopound-feet and other units of moment are shown in the following table (i.e. Kilopound-feet and other units of moment/torque This is the conventionally equivalent of 1 kip-ft in kNm. Therefore, 1 kip, which is 1000 pound becomes also: The conversion rule between kilopound-feet and kilonewton-meters (kip-ft to kNm) can be derived, based on the conversion rules between the two components of the unit: the force and the length. Today, however, it is conventionally defined through the meter SI unit as: It was historically conceived as the length of a human male foot. A force of 1 lbf corresponds to the weight of one pound mass at sea levelįoot is a unit of length for the Imperial and US customary system of units. The above definition depends on the earth's gravitational acceleration g, which varies from place to place, but is conventionally averaged to g ≈ 32.1740 ft/s 2, at sea level. Its equivalence to the respective metric unit, the Newton is: 1 lbf = 4.4482216152605 N. Pound force is defined as the force of gravity on the earth's surface upon a mass equal to one avoirdupois pound. A torque of 1 kip-ft is equivalent to a 1000lbf force exercised at 1ft distance from rotation axis The kip-ft is equivalent to the torque applied from 1000 pound force exercised at a 1 foot distance from the rotation axis. It is the product of kilopound which is one thousand pounds, a unit of force, with feet, which is a unit of length. The kilopound-feet (symbolized kip-ft or kip.ft or kip ft) is a unit of moment or torque, according to the Imperial and US customary system of units. As such, the use of the newton-meter as a unit of work or energy is discouraged to avoid confusion regarding whether energy or torque is being expressed.- Conversion table from kilopound-feet to kilonewton-meters (kip-ft to kNm) The kilopound-feet History/origin: The use of the newton-meter as a unit of work or energy is derived from the fact that the joule, the SI (International System of Units) unit of energy, is dimensionally equivalent to the newton-meter.Ĭurrent use: The newton-meter is more commonly used as a unit of torque rather than as a unit of work or energy. In this use, it is defined as the energy transferred to an object by a one newton force acting on that object in the direction of its motion over a distance of one meter. m) is sometimes used as a unit of work or energy and in this context is equal to the joule, the SI unit of energy.Newton-meterĭefinition: The newton-meter (N m should not be used to represent the joule whenever possible, to avoid confusion with torque. Even though the joule is algebraically equal to the N These units however, are different, and should be considered as such.
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