Pound Foot (lbf ft or lb ft)
Pound Foot (lbf ft or lb ft) :
A traditional unit of torque. Torque is the tendency of a force to cause a rotation; it is the product of the force and the distance from the center of rotation to the point where the force is applied. Thus it can be measured in pounds of force times feet of distance. One pound foot is equal to approximately 1.355 818 newton meter (N·m) in SI units. Algebraically, torque has the same units as work or energy, but it is a different physical concept. To stress the difference, scientists and engineers traditionally measure torque in pound feet (or newton meters) and work or energy in foot pounds (or joules)
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