pound-force
USpownd-FORS/ˌpaʊndˈfɔɹs/UKpownd-FAWS/ˌpaʊndˈfɔːs/
Pluralpounds-force
- 1A unit of force equal to the weight of one avoirdupois pound under standard gravity on Earth, roughly 4.44822 newtons.
The test rig applied nearly two hundred pound-force to the beam before it cracked.
Bolt specifications often state the required clamping force in pound-force rather than newtons.
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Origin
Formed from 'pound' plus 'force', coined to distinguish it from the pound as a unit of mass.