propulsive force

简明释义

推进力

英英释义

例句

1.In a jet ski, the water propellers create a powerful propulsive force for speed.

在水上摩托中，水螺旋桨产生强大的推进力以获得速度。

2.The engine provides the propulsive force needed to move the aircraft forward.

引擎提供了移动飞机所需的推进力。

3.The propulsive force of a fish comes from its tail movements in the water.

鱼的推进力来自于其在水中的尾部运动。

4.In sailing, the wind acts as the primary propulsive force that drives the boat.

在航行中，风作为推动船只前进的主要推进力。

5.The rocket's fuel is essential for generating the propulsive force required for launch.

火箭的燃料对于产生发射所需的推进力至关重要。

作文

In the realm of physics and engineering, the concept of propulsive force refers to the force that drives an object forward. This fundamental principle can be observed in various applications, from rockets launching into space to boats gliding across water. Understanding propulsive force is essential for anyone interested in mechanics, as it underpins much of how we design vehicles and machinery. When we think about a rocket, for instance, the propulsive force is generated by the expulsion of gas at high speed from the rocket's engines. According to Newton's Third Law of Motion, for every action, there is an equal and opposite reaction. Therefore, as the rocket pushes gas downwards, it experiences an upward thrust that propels it into the sky. This relationship highlights the importance of propulsive force in achieving lift-off and overcoming the gravitational pull of the Earth.Similarly, in the world of marine transportation, ships rely on propulsive force to navigate through water. The engines of a ship convert fuel into mechanical energy, which then turns the propellers. These propellers push against the water, creating a force that moves the ship forward. The efficiency of this propulsive force is influenced by various factors such as the design of the hull, the shape of the propeller, and even the conditions of the water. Moreover, the concept of propulsive force extends beyond physical objects to include abstract ideas in social and economic contexts. For example, in business, innovation can be seen as a propulsive force that drives companies forward. Companies that embrace change and adapt to new technologies often gain a competitive edge in the market. This metaphorical use of propulsive force emphasizes the importance of progress and evolution in any field.In conclusion, whether in the context of physics, engineering, or even business, propulsive force serves as a vital element that facilitates movement and advancement. By understanding the mechanics behind propulsive force, we can better appreciate the complexities of motion and the transformative power of innovation. As we continue to explore new frontiers in technology and science, the role of propulsive force will undoubtedly remain a key factor in shaping our future.

在物理和工程领域，propulsive force（推进力）的概念指的是推动物体向前的力量。这一基本原理可以在各种应用中观察到，从火箭发射进入太空到船只在水面上滑行。理解propulsive force对任何对力学感兴趣的人来说都是至关重要的，因为它支撑着我们设计车辆和机械的许多方面。例如，当我们想到火箭时，propulsive force是由火箭引擎高速排放气体所产生的。根据牛顿的第三运动定律，对于每一个作用力，总有一个相等且相反的反作用力。因此，火箭向下推气体时，它会经历向上的推力，从而将其推进天空。这种关系突显了propulsive force在实现升空和克服地球引力方面的重要性。同样，在海洋运输的世界中，船只依赖于propulsive force在水中航行。船的引擎将燃料转化为机械能，然后转动螺旋桨。这些螺旋桨推动水，产生一种将船向前移动的力量。这种propulsive force的效率受多种因素的影响，如船体的设计、螺旋桨的形状，甚至水的条件。此外，propulsive force的概念不仅限于物理对象，还包括社会和经济背景中的抽象理念。例如，在商业中，创新可以被视为推动公司前进的propulsive force。那些拥抱变化并适应新技术的公司往往在市场中获得竞争优势。这种对propulsive force的隐喻性使用强调了在任何领域进步和发展的重要性。总之，无论是在物理、工程还是商业的背景下，propulsive force都作为一个重要元素，促进了运动和进步。通过理解propulsive force背后的机制，我们可以更好地欣赏运动的复杂性以及创新的变革力量。随着我们继续探索科技和科学的新前沿，propulsive force的作用无疑将继续成为塑造我们未来的关键因素。