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• The buoyant force up equals the weight down.

向上浮力等于向下重量

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• The aluminum will float up when the magnetic buoyant force is large enough.

磁性浮力足够时，就能将球浮起来。

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• Buoyant force is equal to the weight of liquid displaced. It acts vertically upward.

浮力等于排开液体体积， 方向垂直向上

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• Under the instruction of constructivism, the knowledge of buoyant force is analyzed systemically as a special topic.

本文在建构主义理论指导，对初中物理浮力相关知识进行了专题研究；

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• The upward buoyant force on an object partially or wholly submerged in a fluid is equal to the weight of the displaced fluid.

部分浸没全部浸没流体中的物体所受到向上浮力，等于所排开流体重量

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• Buoyant force is not only the base of hydrostatics which has many applications, but also the key point of physics teaching in the middle school.

浮力流体静力中应用性较强基础知识之一，也是初中物理教学重要内容。

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• The maxim setting depth of tubing is related to its strength, density, inner and outer pressure difference as well as wellbore fluid's buoyant force to tubing string.

油管最大下入深度与油管本身的强度密度、油管内外流体管柱浮力有关

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• However if a permanent magnet is put near the bottom of cup it will produce a heterogeneous magnetic field and act on the aluminum ball to produce a magnetic buoyant force.

下方永久磁铁靠近底时，在液中产生均匀磁场，作用磁性浮力。

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• Air heated by the arc moves upward because it is less dense than the cooler air around it, and it moves at a speed for which the buoyant force and the drag force are equal.

空气加热电弧向上动作因为密度，较凉的空气靠近它，它的速度移动其中浮力阻力都是平等的。

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• Air heated by the arc moves upward because it is less dense than the cooler air around it, and it moves at a speed for which the buoyant force and the drag force are equal.

空气加热电弧向上动作因为密度，较凉的空气靠近它，它的速度移动其中浮力阻力都是平等的。

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