maximum frictional force

简明释义

最大摩擦力

英英释义

例句

1.During the experiment, we measured the maximum frictional force (最大摩擦力) to determine the material's grip.

在实验中，我们测量了最大摩擦力以确定材料的抓地力。

2.The engineer calculated the maximum frictional force (最大摩擦力) required for the roller coaster to safely navigate the turns.

工程师计算了过山车安全转弯所需的最大摩擦力。

3.The car skidded when the tires lost their grip, indicating that the applied force exceeded the maximum frictional force (最大摩擦力).

当汽车滑行时，轮胎失去了抓地力，这表明施加的力超过了最大摩擦力。

4.To prevent slipping, the shoes are designed to maximize the maximum frictional force (最大摩擦力) between the sole and the ground.

为了防止滑倒，这些鞋子被设计成最大化鞋底与地面之间的最大摩擦力。

5.In sports, athletes often train to enhance their performance by increasing the maximum frictional force (最大摩擦力) of their footwear.

在体育运动中，运动员通常通过增加鞋类的最大摩擦力来提高他们的表现。

作文

Friction is a fundamental force that opposes the relative motion of two surfaces in contact. It plays a crucial role in our daily lives, from walking to driving. One important aspect of friction is the concept of maximum frictional force, which refers to the highest amount of friction that can be exerted before an object begins to slide over another surface. Understanding this concept is essential for various applications in physics and engineering.The maximum frictional force is influenced by several factors, including the nature of the surfaces in contact and the normal force acting between them. The materials of the surfaces, such as rubber on asphalt or ice on metal, will determine the coefficient of friction, which is a key factor in calculating the maximum frictional force. For instance, rubber has a high coefficient of friction against asphalt, allowing cars to grip the road effectively, while ice has a low coefficient of friction against metal, making it slippery and hazardous for walking or driving.To calculate the maximum frictional force, we use the formula:Maximum Frictional Force = Coefficient of Friction × Normal ForceHere, the normal force is the perpendicular force exerted by a surface against an object resting on it. For example, if a box weighing 10 kg is resting on a horizontal surface, the normal force equals the weight of the box, which is approximately 98 Newtons (using g = 9.8 m/s²). If the coefficient of friction between the box and the surface is 0.5, the maximum frictional force would be:Maximum Frictional Force = 0.5 × 98 N = 49 NThis means that a force greater than 49 N would be needed to start moving the box across the surface. This principle is not only applicable in theoretical physics but also in practical scenarios, such as designing vehicles, machinery, and even sports equipment.In engineering, understanding the maximum frictional force is vital for ensuring safety and performance. For instance, in the construction of roads, engineers must consider the maximum frictional force to ensure that vehicles can stop safely. Similarly, in the design of roller coasters, the forces acting on the cars must be calculated to prevent slipping or derailment. Moreover, in sports, athletes must understand how to maximize their grip through techniques that exploit the maximum frictional force available to them, whether it’s using the right footwear or optimizing their movements.In conclusion, the concept of maximum frictional force is integral to both science and everyday life. By understanding the factors that influence it and its calculations, we can better appreciate how friction affects our interactions with the world around us. From ensuring the safety of vehicles on the road to enhancing athletic performance, the maximum frictional force serves as a fundamental principle that governs motion and stability. As we continue to explore the physical world, the knowledge of friction and its maximum limits will remain a cornerstone of our understanding of dynamics and engineering.

摩擦是一个基本的力，它反对两个接触表面之间的相对运动。它在我们的日常生活中发挥着至关重要的作用，从走路到驾驶。摩擦的一个重要方面是“最大摩擦力”的概念，它指的是在物体开始滑动之前能够施加的最高摩擦量。理解这一概念对物理学和工程学的各种应用至关重要。“最大摩擦力”受几个因素的影响，包括接触表面的性质和作用于它们之间的法向力。表面的材料，例如橡胶与沥青或冰与金属，将决定摩擦系数，这是计算“最大摩擦力”的关键因素。例如，橡胶与沥青之间的摩擦系数较高，使汽车能够有效地抓住路面，而冰与金属之间的摩擦系数较低，使其滑溜且行走或驾驶时危险。要计算“最大摩擦力”，我们使用以下公式：最大摩擦力 = 摩擦系数 × 法向力这里，法向力是表面对静止在其上的物体施加的垂直力。例如，如果一个重10公斤的箱子静止在水平表面上，法向力等于箱子的重量，约为98牛顿（使用g = 9.8 m/s²）。如果箱子与表面之间的摩擦系数为0.5，则“最大摩擦力”将为：最大摩擦力 = 0.5 × 98 N = 49 N这意味着需要一个大于49牛顿的力才能开始移动箱子。这一原理不仅适用于理论物理，也适用于实际场景，例如设计车辆、机械，甚至体育设备。在工程中，理解“最大摩擦力”对于确保安全和性能至关重要。例如，在道路建设中，工程师必须考虑“最大摩擦力”以确保车辆能够安全停车。同样，在过山车的设计中，必须计算作用在车上的力，以防止滑脱或出轨。此外，在体育运动中，运动员必须了解如何通过利用“最大摩擦力”来最大化他们的抓地力，无论是使用合适的鞋子还是优化他们的动作。总之，“最大摩擦力”的概念是科学和日常生活中不可或缺的一部分。通过理解影响它的因素及其计算方法，我们可以更好地欣赏摩擦如何影响我们与周围世界的互动。从确保道路上车辆的安全到增强运动表现，“最大摩擦力”作为一个基本原理，支配着运动和稳定性。随着我们继续探索物理世界，摩擦及其最大极限的知识将始终是我们理解动力学和工程学的基石。