From Wikipedia, the free encyclopedia
壓力(粵拼:aat3 lik6;英文:pressure),學術上叫壓強,係指一樣嘢嘅表面面積承受緊幾大嘅力。
想像而家有股力施落一塊表面(例如係一艘潛水艇嘅表面),而股力喺方向上同塊表面成垂直,噉塊表面所承受嘅壓力()由以下呢條式反映:
一件喺海平面以下嘅物件會承受水壓。一般嚟講,每深大約 10.06 米,潛水艇承受嘅壓力就會增加 1 個 atm 咁多—當中 1 個 atm 係一個人喺海面會承受嘅空氣壓力[1]。潛水艇同潛水器正路就會有方法維持內部壓力喺 1 atm 左右。
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