mechanical advantage

简明释义

机械效益滑车利益

英英释义

例句

1.Using a lever provides a significant mechanical advantage 机械优势 when lifting heavy objects.

使用杠杆在提升重物时提供了显著的机械优势。

2.The pulley system allows workers to gain a mechanical advantage 机械优势 when hoisting materials to great heights.

滑轮系统使工人在将材料吊到高处时获得了机械优势。

3.The design of the bicycle gears provides a mechanical advantage 机械优势 for climbing steep hills.

自行车齿轮的设计为爬陡坡提供了机械优势。

4.In construction, cranes utilize mechanical advantage 机械优势 to lift heavy steel beams.

在建筑中，起重机利用机械优势来提升重型钢梁。

5.A wheelbarrow is an excellent example of using mechanical advantage 机械优势 to transport heavy loads with less effort.

独轮车是利用机械优势以更少的努力运输重物的一个很好的例子。

作文

The concept of mechanical advantage is fundamental in the field of physics and engineering. It refers to the ratio of the output force produced by a machine to the input force applied to it. In simpler terms, mechanical advantage allows us to understand how machines can amplify our force, making it easier to perform tasks that would otherwise be difficult or impossible. For instance, when using a lever, the distance from the fulcrum to where the force is applied affects the mechanical advantage. The longer the distance, the less force is needed to lift a heavy object. This principle is not only applicable to levers but also to pulleys, inclined planes, and other simple machines.Understanding mechanical advantage is crucial for various practical applications. Take, for example, construction workers who often use cranes to lift heavy materials. The crane operates on the principle of mechanical advantage, allowing workers to lift loads much heavier than they could manage manually. By increasing the height and length of the crane's arm, they effectively increase the mechanical advantage, enabling them to move large objects with minimal effort.In everyday life, we encounter mechanical advantage in many forms. Consider a pair of scissors; the handles provide a significant mechanical advantage over the cutting blades. When we apply a small amount of force to the handles, it translates into a much larger force at the blades, allowing us to cut through tough materials with ease. Similarly, bicycles utilize mechanical advantage through gears. By shifting gears, cyclists can adjust the mechanical advantage to suit different terrains, making pedaling easier on steep hills or faster on flat surfaces.The importance of mechanical advantage extends beyond simple machines to complex systems as well. In robotics, engineers design robotic arms that utilize mechanical advantage to perform precise movements. By carefully calculating the mechanical advantage of each joint and segment, they can create robots that mimic human dexterity while lifting heavy loads.Moreover, understanding mechanical advantage can lead to innovations in technology and design. Engineers continuously seek ways to improve mechanical advantage in machines to enhance efficiency and reduce energy consumption. This pursuit not only benefits industries but also contributes to sustainability efforts by minimizing the resources needed to accomplish tasks.In conclusion, the concept of mechanical advantage plays a vital role in our understanding of how machines work and how we can leverage them to improve our lives. Whether it's lifting heavy objects, cutting materials, or designing advanced robotics, mechanical advantage enables us to accomplish tasks more efficiently. As we continue to innovate and explore new technologies, the principles behind mechanical advantage will undoubtedly remain at the forefront of engineering and design, shaping the future of how we interact with machines and the world around us.

“机械优势”这一概念在物理学和工程学领域中是基础性的。它指的是机器产生的输出力与施加于其上的输入力之间的比率。简单来说，“机械优势”使我们能够理解机器如何放大我们的力量，从而更轻松地执行那些否则会很困难或不可能完成的任务。例如，当使用杠杆时，施加力量的点到支点的距离会影响“机械优势”。距离越长，提起重物所需的力量就越小。这一原理不仅适用于杠杆，还适用于滑轮、斜面和其他简单机器。理解“机械优势”对于各种实际应用至关重要。以建筑工人为例，他们经常使用起重机来提升重物。起重机基于“机械优势”的原理运行，使工人能够举起远超过他们手动能管理的负载。通过增加起重机臂的高度和长度，他们有效地提高了“机械优势”，使他们能够以最小的努力移动大型物体。在日常生活中，我们以多种形式遇到“机械优势”。考虑一下剪刀；手柄提供了相对于切割刀片的显著“机械优势”。当我们对手柄施加少量力量时，这种力量会转化为刀片上的更大力量，使我们能够轻松切割坚硬的材料。同样，自行车通过齿轮利用“机械优势”。通过换挡，骑自行车的人可以根据不同的地形调整“机械优势”，在陡坡上轻松踏板或在平坦的路面上快速行驶。“机械优势”的重要性不仅限于简单机器，也延伸到复杂系统。在机器人技术中，工程师设计的机器人手臂利用“机械优势”执行精确的运动。通过仔细计算每个关节和部分的“机械优势”，他们可以创建模仿人类灵巧性的机器人，同时举起重负荷。此外，理解“机械优势”可以推动技术和设计的创新。工程师们不断寻求改善机器中的“机械优势”的方法，以提高效率并减少能源消耗。这一追求不仅有利于工业发展，还有助于可持续发展，通过最小化完成任务所需的资源。总之，“机械优势”这一概念在我们理解机器如何工作以及如何利用它们改善生活方面起着至关重要的作用。无论是提升重物、切割材料，还是设计先进的机器人，“机械优势”使我们能够更高效地完成任务。随着我们不断创新和探索新技术，支撑“机械优势”的原理无疑将继续处于工程和设计的前沿，塑造我们与机器及周围世界互动的未来。