limit of friction

简明释义

摩擦极限

英英释义

例句

1.To prevent slipping, it's essential to stay within the limit of friction 摩擦极限 while walking on icy surfaces.

为了防止滑倒，在冰面上行走时保持在limit of friction 摩擦极限 内是至关重要的。

2.When pushing a heavy box, you need to know the limit of friction 摩擦极限 to determine how much force is required.

在推动一个重箱子时，你需要知道limit of friction 摩擦极限 来确定所需的力量。

3.The car's tires must have a good grip on the road to exceed the limit of friction 摩擦极限 during sharp turns.

汽车的轮胎必须在道路上有良好的抓地力，以超过limit of friction 摩擦极限 在急转弯时。

4.Engineers calculate the limit of friction 摩擦极限 when designing machinery to ensure smooth operation.

工程师在设计机械时计算limit of friction 摩擦极限 以确保顺利运行。

5.During the experiment, we measured the limit of friction 摩擦极限 between different surface materials.

在实验中，我们测量了不同表面材料之间的limit of friction 摩擦极限。

作文

Friction is a fundamental force that plays a crucial role in our daily lives, affecting everything from walking to driving. One of the key concepts related to friction is the limit of friction, which refers to the maximum amount of frictional force that can be exerted before an object begins to move. Understanding the limit of friction is essential for various applications in physics and engineering, as it helps us predict how objects will behave under different conditions.To illustrate the importance of the limit of friction, consider a simple scenario: a box resting on a flat surface. The weight of the box exerts a downward force due to gravity, and the surface provides an equal and opposite normal force. The interaction between the box and the surface generates friction, which resists any attempt to move the box. The limit of friction comes into play when we apply a force to the box. If the applied force is less than the limit of friction, the box will remain stationary. However, once the applied force exceeds this limit, the box will start to slide.The limit of friction is influenced by several factors, including the nature of the surfaces in contact and the normal force acting on the object. For instance, rough surfaces tend to have a higher limit of friction compared to smooth surfaces because the microscopic irregularities of rough surfaces create more resistance to motion. Additionally, increasing the weight of the box by adding more items will increase the normal force, thereby increasing the limit of friction.In engineering applications, understanding the limit of friction is vital for designing safe and efficient systems. For example, in the construction of roads, engineers must consider the limit of friction between tires and the road surface to ensure vehicles can stop safely. If the limit of friction is too low, it could lead to accidents, especially in wet or icy conditions. Similarly, in mechanical systems, knowing the limit of friction helps in selecting appropriate materials and designing components that minimize wear and tear.Moreover, the concept of the limit of friction is not limited to static situations; it also applies to kinetic friction when an object is already in motion. The limit of friction during motion is typically lower than that of static friction, which means that once an object starts moving, it requires less force to keep it in motion. This principle is exploited in various technologies, such as in the design of roller coasters, where the goal is to reduce friction to enhance the ride experience.In conclusion, the limit of friction is a crucial concept in understanding the behavior of objects in motion. It determines how much force is needed to initiate movement and plays a significant role in various practical applications. By comprehending the limit of friction, we can better design systems that are safe, efficient, and effective in our daily lives. Whether it is in transportation, machinery, or even sports, the limit of friction remains a fundamental aspect of physics that influences our interactions with the world around us.

摩擦是一个基本力，在我们的日常生活中发挥着至关重要的作用，影响着从行走到驾驶的一切。与摩擦相关的一个关键概念是摩擦极限，它指的是在物体开始移动之前，可以施加的最大摩擦力。理解摩擦极限对于物理和工程中的各种应用至关重要，因为它帮助我们预测物体在不同条件下的行为。为了说明摩擦极限的重要性，考虑一个简单的场景：一个箱子静止在平坦的表面上。箱子的重量由于重力向下施加一个力，而表面提供一个相等且相反的法向力。箱子与表面之间的相互作用产生摩擦，抵抗任何试图移动箱子的努力。当我们对箱子施加一个力时，摩擦极限就发挥作用。如果施加的力小于摩擦极限，箱子将保持静止。然而，一旦施加的力超过这个极限，箱子就会开始滑动。摩擦极限受多个因素的影响，包括接触表面的性质和作用在物体上的法向力。例如，粗糙的表面通常具有比光滑表面更高的摩擦极限，因为粗糙表面的微观不规则性会产生更多的运动阻力。此外，通过添加更多物品来增加箱子的重量，将增加法向力，从而增加摩擦极限。在工程应用中，理解摩擦极限对于设计安全有效的系统至关重要。例如，在道路建设中，工程师必须考虑轮胎与路面之间的摩擦极限，以确保车辆能够安全停车。如果摩擦极限过低，可能会导致事故，特别是在潮湿或结冰的情况下。同样，在机械系统中，了解摩擦极限有助于选择合适的材料和设计组件，以最小化磨损。此外，摩擦极限的概念不仅限于静态情况；它也适用于物体已经在运动时的动摩擦。运动中的摩擦极限通常低于静摩擦，这意味着一旦物体开始移动，维持其运动所需的力会更小。这个原理在各种技术中得到了利用，例如在过山车的设计中，目标是减少摩擦以增强乘坐体验。总之，摩擦极限是理解物体运动行为的关键概念。它决定了启动运动所需的力，并在各种实际应用中发挥着重要作用。通过理解摩擦极限，我们可以更好地设计出安全、高效和有效的系统，无论是在交通、机械，甚至是体育运动中，摩擦极限始终是影响我们与周围世界互动的物理学的基本方面。