applied force

简明释义

外加力;

英英释义

例句

1.The applied force (施加力) can overcome friction and allow the object to move.

施加的applied force（施加力）可以克服摩擦，使物体移动。

2.In order to lift the box, you need to apply a significant applied force (施加力).

为了抬起箱子，你需要施加相当大的applied force（施加力）。

3.The car accelerates when an applied force (施加力) is exerted on the gas pedal.

当在油门踏板上施加applied force（施加力）时，汽车会加速。

4.When you push a door open, the force you use is called the applied force (施加力).

当你推开一扇门时，你使用的力量被称为applied force（施加力）。

5.In physics, the applied force (施加力) is often measured to determine the motion of an object.

在物理学中，applied force（施加力）常用来测量物体的运动。

作文

In the study of physics, understanding the concept of applied force is crucial for analyzing how objects interact with one another. An applied force refers to a force that is intentionally applied to an object by a person or another object. This force can cause the object to move, change its velocity, or alter its shape. For instance, when you push a shopping cart, the force exerted by your hands is an example of an applied force. The direction and magnitude of this force determine how the cart will respond. To better illustrate the significance of applied force, consider a scenario where a child is trying to push a heavy box across the floor. The child exerts an applied force on the box in the direction they want it to move. If the force is strong enough to overcome the static friction between the box and the floor, the box will begin to slide. However, if the applied force is insufficient, the box will remain stationary. This simple example highlights how the effectiveness of an applied force depends not only on its magnitude but also on the opposing forces acting against it.In physics, forces are often represented as vectors, which means they have both magnitude and direction. When calculating the net force acting on an object, we must consider all forces, including the applied force and any frictional forces that oppose motion. For example, if the child pushes the box with a force of 50 newtons, but there is a frictional force of 30 newtons resisting the motion, the net force acting on the box is 20 newtons in the direction of the push. This net force determines the acceleration of the box according to Newton's second law of motion.The concept of applied force extends beyond simple scenarios; it is integral to various real-world applications. Engineers, for example, must understand how different applied forces affect structures and materials. When designing a bridge, engineers calculate the applied forces that vehicles will exert on the bridge and ensure that the structure can withstand these forces without collapsing. Similarly, in sports, athletes must apply the right amount of force while throwing or hitting a ball to achieve the desired outcome. The precision with which they apply force can mean the difference between success and failure.Moreover, the concept of applied force is not limited to physical interactions. In everyday life, we encounter situations where we apply force in various forms. For instance, when we turn a doorknob, we apply a rotational force that allows us to open the door. This application of force is a practical demonstration of how applied force functions in our daily activities.In conclusion, the understanding of applied force is fundamental in both theoretical and practical contexts. Whether in physics, engineering, or everyday life, recognizing how forces are applied and their effects on objects helps us navigate the world around us. By mastering the concept of applied force, we can better understand motion, design safer structures, and enhance our performance in various activities. Ultimately, the study of applied force enriches our comprehension of the physical laws that govern our universe.

在物理学的研究中，理解施加力的概念对于分析物体之间的相互作用至关重要。施加力是指由人或其他物体有意施加于物体上的力。这种力量可以导致物体运动、改变其速度或改变其形状。例如，当你推购物车时，你手施加的力量就是一个施加力的例子。这种力量的方向和大小决定了购物车的反应。为了更好地说明施加力的重要性，考虑一个场景：一个孩子试图将一个沉重的箱子推过地板。孩子在他们希望箱子移动的方向上施加了施加力。如果这个力量足够克服箱子与地板之间的静摩擦力，箱子就会开始滑动。然而，如果施加力不足，箱子将保持静止。这个简单的例子突显了施加力的有效性不仅取决于其大小，还取决于对抗它的其他力量。在物理学中，力通常被表示为向量，这意味着它们具有大小和方向。当计算作用在物体上的净力时，我们必须考虑所有的力，包括施加力和任何抵抗运动的摩擦力。例如，如果孩子以50牛顿的力量推箱子，但有30牛顿的摩擦力抵抗运动，那么作用在箱子上的净力就是20牛顿，方向与推动相同。这个净力根据牛顿第二定律决定了箱子的加速度。施加力的概念不仅限于简单的情境；它在各种现实应用中都是不可或缺的。例如，工程师必须了解不同的施加力如何影响结构和材料。在设计桥梁时，工程师计算车辆施加在桥梁上的施加力，并确保结构能够承受这些力量而不倒塌。同样，在体育运动中，运动员必须在投掷或击打球时施加适当的力量，以达到预期的结果。他们施加力量的精确度可能意味着成功与失败之间的差异。此外，施加力的概念并不限于物理交互。在日常生活中，我们遇到许多情况，在这些情况下我们以各种形式施加力量。例如，当我们转动门把手时，我们施加了一种旋转力，使我们能够打开门。这种施加力量的方式是施加力如何在我们日常活动中运作的实际示范。总之，理解施加力的概念在理论和实践上下文中都是基础。无论是在物理学、工程学还是日常生活中，认识到力量是如何施加的及其对物体的影响，帮助我们驾驭周围的世界。通过掌握施加力的概念，我们可以更好地理解运动、设计更安全的结构，并提高我们在各种活动中的表现。最终，研究施加力丰富了我们对支配宇宙的物理法则的理解。