absolute weight
简明释义
绝对权数
英英释义
Absolute weight refers to the total weight of an object measured without any reference to buoyancy or other forces acting on it. | 绝对重量是指一个物体的总重量,测量时不考虑浮力或其他作用在其上的力。 |
例句
1.To calculate the absolute weight, you need to consider both mass and gravitational force.
要计算绝对重量,需要同时考虑质量和重力。
2.In physics, the absolute weight of an object is measured in newtons.
在物理学中,物体的绝对重量以牛顿为单位进行测量。
3.When lifting weights, it's important to know your absolute weight to avoid injury.
在举重时,了解自己的绝对重量很重要,以避免受伤。
4.The absolute weight of the package is crucial for determining shipping costs.
包裹的绝对重量对于确定运费至关重要。
5.The absolute weight of the load affects the stability of the vehicle on the road.
负载的绝对重量影响车辆在道路上的稳定性。
作文
In the realm of physics, the concept of weight is often discussed in various contexts. One important distinction is between 'weight' and 'mass'. While mass refers to the amount of matter in an object, weight is the force exerted on that mass by gravity. This brings us to the term absolute weight, which is defined as the weight of an object measured in a gravitational field where the acceleration due to gravity is constant. Understanding absolute weight is crucial for various scientific calculations and applications.To illustrate this concept, consider an object with a mass of 10 kilograms. On Earth, the gravitational acceleration is approximately 9.81 m/s². Therefore, the absolute weight of this object can be calculated using the formula: weight = mass × gravitational acceleration. This results in a weight of about 98.1 newtons. However, if we were to take this object to the Moon, where the gravitational acceleration is only about 1.62 m/s², its absolute weight would decrease significantly, despite its mass remaining unchanged. In this case, the weight would be approximately 16.2 newtons.The implications of understanding absolute weight extend beyond theoretical physics. Engineers, for instance, must consider the absolute weight of materials when designing structures. If they underestimate the absolute weight of a beam, it could lead to catastrophic failures. Similarly, in the field of aeronautics, knowing the absolute weight of an aircraft is vital for ensuring safe takeoff and landing.Moreover, the concept of absolute weight is not only limited to physical objects but also plays a role in health and fitness. For example, when individuals track their weight loss journey, they often refer to their absolute weight to measure progress. This measurement helps them understand how much weight they have lost or gained over time, providing a clear picture of their health status.However, it is essential to recognize that absolute weight can be influenced by various factors. For instance, changes in altitude can affect the absolute weight of an object due to variations in gravitational force. Additionally, environmental factors such as temperature and humidity can impact measurements, particularly in sensitive scientific experiments.In conclusion, the term absolute weight holds significant importance across multiple domains, from physics and engineering to health and fitness. By grasping the concept of absolute weight, we can better understand the forces at play in our universe and make informed decisions based on accurate measurements. Whether we are calculating the load-bearing capacity of a bridge or tracking our personal health, recognizing the role of absolute weight is essential for achieving our goals and ensuring safety in our endeavors.
在物理学领域,重量的概念通常在不同的上下文中讨论。一个重要的区别是“重量”和“质量”。质量是指物体中物质的数量,而重量是重力对该质量施加的力。这使我们引入了“绝对重量”这一术语,它被定义为在重力场中测量的物体的重量,其中重力加速度是恒定的。理解绝对重量对于各种科学计算和应用至关重要。为了说明这一概念,考虑一个质量为10千克的物体。在地球上,重力加速度约为9.81 m/s²。因此,该物体的绝对重量可以使用公式:重量 = 质量 × 重力加速度进行计算。这导致该物体的重量约为98.1牛顿。然而,如果我们将这个物体带到月球上,月球的重力加速度仅约为1.62 m/s²,它的绝对重量将大幅下降,尽管其质量保持不变。在这种情况下,重量约为16.2牛顿。理解绝对重量的意义超越了理论物理。工程师在设计结构时必须考虑材料的绝对重量。如果他们低估了梁的绝对重量,可能会导致灾难性的失败。同样,在航空领域,了解飞机的绝对重量对于确保安全起飞和着陆至关重要。此外,绝对重量的概念不仅限于物理物体,还在健康和健身中发挥着作用。例如,当个人跟踪减肥之旅时,他们通常会提到自己的绝对重量来衡量进展。这一测量帮助他们了解随着时间的推移他们减掉或增加了多少体重,从而提供了健康状况的清晰图景。然而,必须认识到,绝对重量可能受到多种因素的影响。例如,海拔的变化可能会影响物体的绝对重量,这是由于重力的变化。此外,温度和湿度等环境因素也可能影响测量,特别是在敏感的科学实验中。总之,绝对重量这一术语在多个领域中具有重要意义,从物理学和工程学到健康和健身。通过掌握绝对重量的概念,我们可以更好地理解宇宙中发生的力量,并基于准确的测量做出明智的决策。无论是在计算桥梁的承载能力还是跟踪个人健康时,认识到绝对重量的作用对于实现我们的目标和确保我们工作的安全至关重要。
相关单词