backward thrust

简明释义

逆推力

英英释义

例句

1.In order to slow down, the spacecraft utilized a backward thrust to counteract its forward momentum.

为了减速，航天器利用向后推力来抵消其前进的动量。

2.The boat's engine was designed to generate a strong backward thrust for quick maneuvering.

船的引擎设计用来产生强大的向后推力以便快速操控。

3.During the test flight, the pilot noticed that the backward thrust was not functioning properly.

在测试飞行期间，飞行员注意到向后推力没有正常工作。

4.The rocket's engines produced a powerful backward thrust, allowing it to lift off the ground.

火箭的引擎产生了强大的向后推力，使其能够离开地面。

5.The diver executed a perfect jump, using a backward thrust to propel himself into the air.

潜水员完美地跳了起来，利用向后推力将自己推向空中。

作文

In the realm of physics and engineering, the concept of motion is often analyzed through various forces acting on an object. One such force is the backward thrust, which refers to the force that propels an object in the opposite direction of its intended movement. This phenomenon can be observed in various scenarios, from the mechanics of a rocket launch to the dynamics of a car accelerating on a highway. Understanding backward thrust is essential for engineers and scientists who design vehicles and machinery that operate efficiently and safely.Take, for example, the launch of a rocket. When a rocket is launched, it expels gas at high speed from its engines. The action of the gas being expelled creates a reaction force that pushes the rocket upward. However, this reaction also generates a backward thrust against the rocket itself, which must be overcome by the propulsion force generated by the engines. The effective management of this backward thrust is crucial for ensuring that the rocket achieves the desired trajectory and altitude.Similarly, in the automotive industry, the concept of backward thrust can be applied when considering how vehicles accelerate. When a car accelerates, the engine produces power that drives the wheels forward. However, if there is any loss of traction, such as on a slippery surface, the wheels may spin without effectively moving the car forward. In this scenario, the backward thrust created by the spinning wheels can lead to a loss of control, making it essential for drivers to understand how to manage their vehicle's acceleration to avoid such situations.Moreover, backward thrust plays a significant role in sports and physical activities. For instance, when a sprinter pushes off the starting blocks, they generate a force that propels them forward. However, if they do not maintain proper form and technique, they may experience a backward thrust that can hinder their performance. Athletes are trained to minimize this effect by focusing on their body mechanics, ensuring that their movements are efficient and directed towards their goal.In the field of aerodynamics, backward thrust is also a critical factor in the design of aircraft. During takeoff and landing, pilots must carefully manage the thrust produced by the engines to counteract any backward thrust that may occur due to wind resistance or changes in altitude. Understanding how to balance these forces allows pilots to maintain control of the aircraft and ensure a safe flight.In conclusion, the concept of backward thrust is a fundamental aspect of physics that has practical applications in various fields, including aerospace, automotive engineering, and sports. By understanding how this force operates and learning to manage it effectively, individuals can enhance their performance, whether they are launching a rocket, driving a car, or competing in a race. As technology continues to advance, the principles surrounding backward thrust will remain relevant, guiding future innovations and improvements in design and functionality.

在物理和工程领域，运动的概念通常通过作用于物体的各种力来分析。其中一个力是后推力，它指的是推动物体朝向其意图运动的相反方向的力。这种现象可以在各种场景中观察到，从火箭发射的机制到汽车在高速公路上加速的动态。理解后推力对设计高效、安全运行的车辆和机械的工程师和科学家至关重要。以火箭发射为例。当火箭发射时，它从发动机喷出高速气体。气体被喷出的作用产生了一个反作用力，将火箭向上推。然而，这一反作用也在火箭本身产生了后推力，这必须被发动机产生的推进力克服。有效管理这种后推力对于确保火箭达到所需的轨迹和高度至关重要。同样，在汽车工业中，后推力的概念可以应用于考虑车辆加速时的情况。当汽车加速时，发动机产生的动力驱动车轮向前。然而，如果出现任何牵引力损失，例如在滑溜的表面上，车轮可能会打滑而无法有效地向前移动。在这种情况下，由于车轮的旋转产生的后推力可能导致控制损失，使得驾驶者必须理解如何管理车辆的加速以避免此类情况。此外，后推力在体育和身体活动中也发挥着重要作用。例如，当短跑运动员从起跑块上推离时，他们产生一种力，推动他们向前。然而，如果他们没有保持正确的姿势和技巧，他们可能会经历后推力，这会妨碍他们的表现。运动员经过训练，以最小化这种影响，专注于身体力学，确保他们的动作高效且朝着目标进行。在空气动力学领域，后推力也是飞机设计中的关键因素。在起飞和着陆期间，飞行员必须仔细管理发动机产生的推力，以抵消由于风阻或高度变化可能发生的任何后推力。理解如何平衡这些力量使飞行员能够保持对飞机的控制，确保安全飞行。总之，后推力的概念是物理学的基本方面，在航空航天、汽车工程和体育等多个领域具有实际应用。通过理解这种力的运作方式并学习有效管理它，个人可以提高他们的表现，无论是发射火箭、驾驶汽车还是参加比赛。随着技术的不断进步，围绕后推力的原理将继续相关，引导未来的创新和设计功能的改进。