static friction

简明释义

静摩擦

英英释义

例句

1.When trying to push a heavy table, you first need to overcome the static friction (静摩擦力) before it starts moving.

当你试图推一张重桌子时，你首先需要克服静摩擦力，才能使其开始移动。

2.The car tires grip the road thanks to static friction (静摩擦力), allowing for safe acceleration.

汽车轮胎因静摩擦力而紧握路面，从而实现安全加速。

3.The box remained at rest on the incline due to the force of static friction (静摩擦力) between it and the surface.

由于箱子与表面之间的静摩擦力，箱子保持在斜面上不动。

4.The static friction (静摩擦力) between the shoes and the floor helps prevent slipping.

鞋子与地板之间的静摩擦力有助于防止滑倒。

5.If the force applied is less than the maximum static friction (静摩擦力), the object will not move.

如果施加的力小于最大静摩擦力，物体将不会移动。

作文

Understanding the concept of static friction is essential in the field of physics and engineering. Static friction, defined as the force that prevents two surfaces from sliding past each other, plays a crucial role in our daily lives. This force is what allows us to walk without slipping, drive cars, and hold objects in place. The importance of static friction can be observed in various scenarios, from simple actions like pushing a heavy box to more complex systems like vehicles navigating through turns.When we attempt to push an object at rest, such as a heavy box on the floor, we encounter static friction. This force acts in the opposite direction of our applied force, preventing the box from moving until we exert enough force to overcome it. The maximum value of static friction is determined by the coefficient of static friction, which depends on the materials in contact and the normal force acting on the object. For example, rubber on concrete has a higher coefficient of static friction compared to ice on metal, which explains why it is easier to slip on icy surfaces.In engineering applications, understanding static friction is vital for designing safe structures and machinery. For instance, engineers must consider static friction when designing ramps, stairs, and bridges to ensure that they can support loads without slipping or collapsing. Additionally, in the automotive industry, tires are designed with specific tread patterns and materials to maximize static friction with the road, providing better traction and control for drivers.Furthermore, static friction is not only important for motion but also for stability. In construction, the stability of buildings relies on the static friction between the foundations and the ground. If the static friction is insufficient, structures may shift or topple during events such as earthquakes. Therefore, engineers must calculate the necessary coefficients of friction to ensure safety and reliability.In everyday life, we often take static friction for granted. Consider how we can write with a pencil on paper; it is the static friction between the pencil tip and the paper that allows us to create marks. Similarly, when we use a smartphone, static friction helps our fingers to grip and interact with the touchscreen effectively. Without this force, many of our daily activities would become challenging or impossible.To summarize, static friction is a fundamental force that impacts both our daily lives and various professional fields. Its ability to prevent motion between stationary objects is crucial for safety, stability, and functionality. Understanding static friction enables us to design better products, create safer environments, and appreciate the science behind the simple actions we perform every day. As we continue to explore the principles of physics, the significance of static friction will remain a pivotal topic of interest and study.

理解静摩擦力的概念在物理学和工程学领域至关重要。静摩擦力被定义为阻止两个表面相互滑动的力量，这种力量在我们的日常生活中发挥着重要作用。这种力量使我们能够在不滑倒的情况下行走，驾驶汽车，并将物体固定在适当的位置。静摩擦力的重要性可以在各种场景中观察到，从推重物这样的简单动作到车辆在转弯时的复杂系统。当我们尝试推动一个静止的物体，比如地板上的重箱子时，我们会遇到静摩擦力。这种力量与我们施加的力方向相反，防止箱子移动，直到我们施加的力足够大以克服它。静摩擦力的最大值由静摩擦系数决定，这取决于接触材料以及作用在物体上的法向力。例如，橡胶与混凝土之间的静摩擦系数较高，而冰与金属之间的静摩擦系数较低，这解释了为什么在冰面上更容易滑倒。在工程应用中，理解静摩擦力对于设计安全的结构和机械至关重要。例如，工程师在设计坡道、楼梯和桥梁时，必须考虑静摩擦力，以确保它们能够支撑负荷而不滑动或崩溃。此外，在汽车工业中，轮胎的设计考虑了特定的胎面图案和材料，以最大化与道路的静摩擦力，为驾驶者提供更好的牵引力和控制。此外，静摩擦力不仅对运动重要，而且对稳定性也至关重要。在建筑中，建筑物的稳定性依赖于基础与地面之间的静摩擦力。如果静摩擦力不足，结构可能会在地震等事件中移动或倾覆。因此，工程师必须计算必要的摩擦系数，以确保安全和可靠性。在日常生活中，我们常常把静摩擦力视为理所当然。想想我们如何在纸上用铅笔写字；正是铅笔尖与纸之间的静摩擦力使我们能够留下痕迹。同样，当我们使用智能手机时，静摩擦力帮助我们的手指有效地抓住和与触摸屏互动。如果没有这种力量，我们的许多日常活动将变得困难或不可能。总之，静摩擦力是一种基本力量，影响着我们的日常生活和各个专业领域。它防止静止物体之间的运动的能力对于安全、稳定和功能至关重要。理解静摩擦力使我们能够设计更好的产品，创造更安全的环境，并欣赏我们每天所做简单动作背后的科学。随着我们继续探索物理原理，静摩擦力的重要性将始终是一个引人关注和研究的主题。