磅力(pound-force)是英制單位,符號為lbf、lbf。一磅力為質量為一磅的物體在地球表面上所受的重力

定義

1 lbf  ≡ 0.45359237 kg × 9.80665 m/s2
= 4.4482216152605 N(精確值)

另見

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