The upward buoyant force on an object partially or wholly submerged in a fluid is equal to the weight of the displaced fluid.
部分浸没或全部浸没在流体中的物体所受到的向上浮力，等于它所排开流体的重量。
Buoyant force is equal to the weight of liquid displaced. It acts vertically upward.
浮力等于排开液体的体积，方向垂直向上。
Buoyant force is equal to the weight of liquid displaced. It acts vertically upward.
浮力等于排开液体的体积，方向垂直向上。
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