磅力

磅力（pound-force）是力的英制單位，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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