tractive force

简明释义

牵力

英英释义

例句

1.The tractive force produced by the tires affects the vehicle's grip on the road.

轮胎产生的牵引力影响车辆在路面的抓地力。

2.A higher tractive force allows for better performance in off-road conditions.

更高的牵引力可以在越野条件下提供更好的性能。

3.The train's engine generates a significant amount of tractive force to pull heavy freight cars.

火车的引擎产生了大量的牵引力来拉动重货车。

4.Engineers must calculate the tractive force required to move the load efficiently.

工程师必须计算移动负载所需的牵引力以提高效率。

5.In electric vehicles, the tractive force is crucial for acceleration.

在电动车中，牵引力对加速至关重要。

作文

The concept of tractive force is fundamental in understanding the mechanics of motion, particularly in transportation systems. In simple terms, tractive force refers to the force that pulls or draws an object forward. This force is crucial for vehicles, trains, and any machinery that requires movement. Without sufficient tractive force, these machines would struggle to overcome inertia, leading to inefficiency and potential failure in their operation.To illustrate the importance of tractive force, we can consider a train. A train's engine generates a significant amount of tractive force to pull its heavy load along the tracks. The engine must produce enough power to not only move the train but also to counteract various forces such as friction and air resistance. If the tractive force is insufficient, the train will not be able to accelerate or maintain its speed effectively.Moreover, the design of vehicles is heavily influenced by the need for adequate tractive force. Engineers must calculate the necessary tractive force required to achieve desired speeds and accelerations based on the weight of the vehicle and the terrain it will traverse. For instance, a sports car designed for speed must have a powerful engine capable of generating high tractive force to ensure rapid acceleration, while a large truck may prioritize torque to maintain stability under heavy loads.In addition to transportation, tractive force plays a crucial role in various engineering applications. For example, in robotics, the tractive force generated by motors must be carefully calibrated to enable robots to perform tasks that require lifting or moving objects. In construction, cranes rely on tractive force to lift heavy materials to great heights, showcasing the versatility and necessity of this force in different fields.Furthermore, the relationship between tractive force and friction cannot be overlooked. Frictional forces act against the movement of objects, and understanding how to maximize tractive force while minimizing friction is essential for improving efficiency. This is particularly important in racing, where every ounce of tractive force can mean the difference between winning and losing. Engineers and designers work tirelessly to create tires and surfaces that enhance grip, thereby increasing the effective tractive force available to the vehicle.In conclusion, tractive force is a critical element in the study of mechanics and engineering. It is the driving force behind the movement of vehicles and machinery, influencing everything from design to performance. By understanding and harnessing tractive force, we can continue to innovate and improve the efficiency of transportation and various mechanical systems, paving the way for advancements in technology and engineering. As we move forward, the principles governing tractive force will undoubtedly play a pivotal role in shaping the future of mobility and automation.

“牵引力”这一概念在理解运动力学，尤其是交通系统中至关重要。简单来说，牵引力是指拉动或吸引物体向前的力量。这种力量对于车辆、火车以及任何需要运动的机械设备都是至关重要的。没有足够的牵引力，这些机器将难以克服惯性，从而导致效率低下和潜在的操作失败。为了说明牵引力的重要性，我们可以考虑一列火车。火车的机车产生了相当大的牵引力，以便沿着轨道拉动其重载。机车必须产生足够的动力，不仅要移动火车，还要抵消摩擦和空气阻力等各种力量。如果牵引力不足，火车将无法有效加速或维持速度。此外，车辆的设计也受到足够牵引力需求的影响。工程师必须计算出所需的牵引力，以实现根据车辆重量和行驶地形所需的速度和加速度。例如，设计用于高速行驶的跑车必须拥有强大的发动机，能够产生高水平的牵引力，以确保快速加速，而大型卡车可能更注重扭矩，以在重载下保持稳定性。除了交通，牵引力在各种工程应用中也起着至关重要的作用。例如，在机器人技术中，电机产生的牵引力必须经过精确校准，以使机器人能够执行需要提升或移动物体的任务。在建筑领域，起重机依靠牵引力将重物提升到高处，展示了这种力量在不同领域中的多样性和必要性。此外，牵引力与摩擦之间的关系也不容忽视。摩擦力会对物体的运动产生阻碍，理解如何最大化牵引力同时最小化摩擦对于提高效率至关重要。这在赛车中尤为重要，因为每一盎司的牵引力都可能意味着胜利与失败之间的差异。工程师和设计师们不断努力创造增强抓地力的轮胎和表面，从而增加车辆可用的有效牵引力。总之，牵引力是机械和工程学研究中的一个关键要素。它是推动车辆和机械运动的动力，影响从设计到性能的方方面面。通过理解和利用牵引力，我们可以继续创新，提高交通和各种机械系统的效率，为技术和工程的进步铺平道路。随着我们向前发展，支配牵引力的原理无疑将在塑造未来的流动性和自动化中发挥关键作用。