apparent weight

简明释义

视重量

英英释义

例句

1.Astronauts experience a decrease in their apparent weight 表观重量 while orbiting Earth.

宇航员在地球轨道上经历的apparent weight 表观重量减少。

2.When you are in an elevator that is accelerating upwards, your apparent weight 表观重量 feels heavier than usual.

当你在一个向上加速的电梯里时，你的apparent weight 表观重量感觉比平时重。

3.The apparent weight 表观重量 of a person standing on a scale in a moving train can fluctuate.

在行驶中的火车上站着的人在秤上的apparent weight 表观重量可能会波动。

4.On a scale, your apparent weight 表观重量 can change depending on your acceleration.

在秤上，你的apparent weight 表观重量会根据你的加速度而变化。

5.During free fall, the apparent weight 表观重量 of an object is zero.

在自由落体期间，物体的apparent weight 表观重量为零。

作文

In the realm of physics, the concept of weight is often taken for granted. However, it is crucial to distinguish between the actual weight of an object and its apparent weight. The apparent weight refers to the weight that an object seems to have when it is subjected to various forces, such as acceleration or buoyancy. This distinction can be particularly important in understanding how objects behave in different environments.For instance, when you are in an elevator that is accelerating upwards, you feel heavier than usual. This sensation is due to the increased apparent weight caused by the upward acceleration. In this scenario, the normal force acting on your body increases, making you feel as if your weight has increased. Conversely, when the elevator descends, you may feel lighter, as the apparent weight decreases due to the downward acceleration.Another fascinating example of apparent weight occurs in water. When you are submerged in a swimming pool, you experience buoyancy, which reduces your apparent weight. The water exerts an upward force on your body, counteracting some of the gravitational force pulling you down. As a result, you feel lighter in the water than you do on land. This phenomenon is not only interesting but also critical for activities like swimming and diving, where understanding apparent weight can enhance performance and safety.Moreover, the apparent weight concept extends beyond simple examples. In the context of space travel, astronauts experience microgravity, where their apparent weight becomes almost negligible. In this environment, objects do not fall as they would on Earth, leading to the sensation of weightlessness. This unique condition allows scientists to conduct experiments that would be impossible under normal gravity, providing insights into fundamental physical processes.Understanding apparent weight is not only essential for students and professionals in physics but also for everyday life. For instance, when designing roller coasters, engineers must account for the changing apparent weight that riders will experience during rapid accelerations and decelerations. This ensures that rides are both thrilling and safe.In conclusion, the term apparent weight serves as a reminder that our perception of weight can change based on various factors. Whether we are in an elevator, swimming in a pool, or floating in space, the forces acting upon us influence how heavy we feel. By grasping the nuances of apparent weight, we can better appreciate the complexities of the physical world around us and apply this knowledge to various fields, from engineering to sports science. The study of apparent weight not only enriches our understanding of physics but also enhances our daily experiences, making it a vital concept to master.

在物理学领域，重量的概念常常被视为理所当然。然而，区分物体的实际重量和其表观重量是至关重要的。表观重量指的是当物体受到各种力（如加速度或浮力）作用时，物体似乎具有的重量。这种区别在理解物体在不同环境中的行为时尤为重要。例如，当你在一个向上加速的电梯里时，你会感觉比平时重。这种感觉是由于向上加速引起的增加的表观重量。在这种情况下，作用在你身体上的法向力增加，使你感到自己的重量增加。相反，当电梯下降时，你可能会感觉更轻，因为由于向下加速，表观重量减少。另一个关于表观重量的有趣例子发生在水中。当你浸入游泳池时，你会体验到浮力，这减少了你的表观重量。水对你身体施加向上的力，抵消了一些引力将你向下拉的作用。因此，你在水中感觉比在陆地上轻。这种现象不仅有趣，而且对于游泳和潜水等活动至关重要，理解表观重量可以提高表现和安全性。此外，表观重量的概念不仅限于简单的例子。在太空旅行的背景下，宇航员经历微重力，在这种环境中，他们的表观重量几乎可以忽略不计。在这种环境中，物体不会像在地球上一样下落，导致失重的感觉。这种独特的条件使科学家能够进行在正常重力下无法进行的实验，从而提供对基本物理过程的深入了解。理解表观重量不仅对物理学的学生和专业人士至关重要，也对日常生活有所帮助。例如，在设计过山车时，工程师必须考虑骑乘者在快速加速和减速过程中会经历的变化的表观重量。这确保了游乐设施既刺激又安全。总之，术语表观重量提醒我们，基于各种因素，我们对重量的感知可能会发生变化。无论我们是在电梯里、在游泳池中还是在太空中，作用于我们身上的力量都会影响我们感到多重。通过掌握表观重量的细微差别，我们可以更好地欣赏周围物理世界的复杂性，并将这一知识应用于各个领域，从工程到运动科学。对表观重量的研究不仅丰富了我们对物理学的理解，还增强了我们的日常体验，使其成为一个重要的概念。