displacement force

简明释义

浮力

英英释义

例句

1.In physics, understanding the displacement force is crucial for calculating the stability of structures.

在物理学中，理解位移力对于计算结构的稳定性至关重要。

2.When a boat floats on water, the weight of the water displaced creates a displacement force that supports the boat.

当一艘船漂浮在水面上时，被排开的水的重量产生了一个位移力，支撑着船。

3.The displacement force in a fluid is responsible for the buoyancy experienced by an object submerged in it.

流体中的位移力是物体浸入其中时所经历的浮力的原因。

4.The displacement force exerted by the air on the wings of an airplane contributes to lift.

空气对飞机机翼施加的位移力有助于产生升力。

5.Engineers must consider the displacement force when designing underwater vehicles to ensure they can navigate effectively.

工程师在设计水下航行器时必须考虑位移力，以确保它们能够有效导航。

作文

The concept of displacement force is fundamental in the study of physics, particularly in mechanics and fluid dynamics. When we think about the forces acting on an object, it's essential to understand how these forces interact with one another and the environment around them. The displacement force refers to the force exerted by a fluid when an object is submerged in it. This force is crucial for understanding buoyancy and stability in various applications, from engineering to natural phenomena.For example, consider a boat floating on water. The weight of the boat creates a downward force due to gravity, while the water exerts an upward displacement force that counteracts this weight. This interaction allows the boat to float and remain stable on the water's surface. If the weight of the boat exceeds the displacement force, the boat will sink. Therefore, the relationship between these forces is vital for maintaining buoyancy.In a more technical sense, the displacement force can be quantified using Archimedes' principle, which states that the upward buoyant force experienced by a submerged object is equal to the weight of the fluid displaced by that object. This principle not only applies to boats but also to other objects, such as submarines, which can adjust their buoyancy by changing their volume and the amount of water they displace.Moreover, the displacement force is not limited to liquids; it also plays a significant role in gases. For instance, when a hot air balloon rises, the air inside the balloon is heated, causing it to expand and become less dense than the cooler air outside. The difference in density results in a net upward displacement force that lifts the balloon into the sky.Understanding the displacement force is crucial for engineers and scientists who design various vehicles and structures. In civil engineering, for example, the principles of displacement forces are applied when designing buildings and bridges to ensure they can withstand environmental forces like wind and water. In aerospace engineering, understanding how displacement forces work is essential for creating aircraft that can efficiently navigate through the atmosphere.In conclusion, the displacement force is a key concept in physics that describes the force exerted by a fluid when an object is submerged. It plays a vital role in ensuring the stability and buoyancy of various objects in both liquids and gases. By grasping the principles behind the displacement force, we can better understand the interactions between forces in our environment and apply this knowledge to practical applications in engineering and science.

“位移力”这一概念在物理学的研究中是基础性的，尤其是在力学和流体动力学中。当我们思考作用于物体上的力时，理解这些力如何相互作用以及与周围环境的关系至关重要。位移力指的是当一个物体被浸没在流体中时，流体施加的力。这一力量对于理解浮力和稳定性在各种应用中的重要性，从工程到自然现象都是至关重要的。例如，考虑一艘漂浮在水面上的船。船的重量产生了由于重力而向下的力，而水则施加了一种向上的位移力，抵消了这种重量。这种相互作用使得船能够漂浮并在水面上保持稳定。如果船的重量超过了位移力，船就会沉没。因此，这些力量之间的关系对维持浮力至关重要。从更技术的角度来看，位移力可以通过阿基米德原理来量化，该原理指出，浸没物体所经历的向上浮力等于该物体所排开的流体的重量。这一原理不仅适用于船只，也适用于其他物体，例如潜水艇，潜水艇可以通过改变其体积和排开的水量来调整其浮力。此外，位移力不仅限于液体；它在气体中也起着重要作用。例如，当热气球上升时，气球内部的空气被加热，导致其膨胀并变得比外部冷空气更轻。密度的差异导致一种净向上的位移力，将气球提升到空中。理解位移力对于设计各种车辆和结构的工程师和科学家来说至关重要。在土木工程中，例如，位移力的原理在设计建筑物和桥梁时得以应用，以确保它们能够承受风和水等环境力量。在航空航天工程中，理解位移力的工作原理对于创造能够高效穿越大气的飞机至关重要。总之，位移力是物理学中的一个关键概念，描述了当物体被浸没时流体施加的力。它在确保各种物体在液体和气体中的稳定性和浮力方面发挥着至关重要的作用。通过掌握位移力背后的原理，我们可以更好地理解我们环境中力量之间的相互作用，并将这一知识应用于工程和科学的实际应用中。