spring scales
简明释义
弹簧秤
英英释义
A type of weighing scale that measures weight by the tension of a spring; the weight is determined by the amount the spring stretches. | 一种通过弹簧的张力来测量重量的称重设备;重量由弹簧拉伸的程度决定。 |
例句
1.At the market, I bought fruits and asked the vendor to weigh them on a spring scale.
在市场上,我买了水果,并要求商贩用弹簧秤称重。
2.The spring scales in the gym help track the weight of the weights being lifted.
健身房里的弹簧秤帮助记录举起的重量。
3.I used a spring scale to measure the weight of my luggage before heading to the airport.
我在去机场之前用弹簧秤称量我的行李重量。
4.When fishing, it's important to have a spring scale to weigh your catch accurately.
钓鱼时,拥有一个弹簧秤以准确称量你的收获是很重要的。
5.The teacher used spring scales to demonstrate how to measure weight in science class.
老师使用弹簧秤在科学课上演示如何测量重量。
作文
In the world of science and measurement, various tools and devices are used to quantify different properties. One such device that is particularly useful in measuring weight or force is known as spring scales. A spring scale is a simple yet effective tool that operates on the principle of Hooke's Law, which states that the force exerted by a spring is directly proportional to the amount it is stretched or compressed. This means that when an object is hung from the spring scale, the spring inside stretches, and the amount of stretch can be read on a calibrated scale, giving the weight of the object. The design of a spring scale is relatively straightforward. It typically consists of a spring fixed at one end with a hook or platform at the other end to hold the object being weighed. As the object applies force due to gravity, the spring elongates, and the reading on the scale indicates how heavy the object is. This makes spring scales very popular in educational settings, where students learn about the concepts of force, mass, and weight through hands-on experience. One of the advantages of using spring scales is their portability and ease of use. Unlike digital scales that require batteries and can be sensitive to environmental conditions, spring scales are mechanical and do not rely on electronic components. This means they can be used in a variety of settings, from classrooms to outdoor experiments, without the need for power sources. Furthermore, they are often lightweight and compact, making them easy to carry around. However, spring scales also have their limitations. They are generally less precise than digital scales, especially for very light or very heavy objects. The calibration can also be affected by factors such as temperature and wear over time, which can lead to inaccuracies. Therefore, while they are excellent for demonstrations and basic measurements, they may not be suitable for all scientific applications where precision is critical. In conclusion, spring scales are an essential tool in the field of measurement, providing a simple and effective way to gauge weight based on the principles of physics. They offer a hands-on approach to learning and understanding fundamental concepts in science. Despite their limitations, their practicality and ease of use make them a valuable resource in both educational and practical contexts. Understanding how to use and interpret spring scales can enhance one’s appreciation of the physical world and the forces that govern it. Overall, they serve as a bridge between theoretical knowledge and practical application, making them a staple in both classrooms and laboratories.
在科学和测量的世界里,各种工具和设备被用来量化不同的属性。其中一种特别有用的设备是称为弹簧秤。弹簧秤是一种简单而有效的工具,基于胡克定律的原理,即弹簧施加的力与其被拉伸或压缩的程度成正比。这意味着,当一个物体悬挂在弹簧秤上时,内部的弹簧会被拉长,而拉伸的量可以在标定的刻度上读取,从而给出物体的重量。 弹簧秤的设计相对简单。它通常由一根固定在一端的弹簧和另一端的钩子或平台组成,用于支撑被称重的物体。当物体由于重力施加力时,弹簧会延长,刻度上的读数指示物体的重量。这使得弹簧秤在教育环境中非常受欢迎,学生们通过实践经验学习力、质量和重量的概念。 使用弹簧秤的一个优点是其便携性和易用性。与需要电池且对环境条件敏感的数字秤相比,弹簧秤是机械式的,不依赖电子元件。这意味着它们可以在各种环境中使用,从教室到户外实验,而无需电源。此外,它们通常轻巧紧凑,便于携带。 然而,弹簧秤也有其局限性。它们通常不如数字秤精确,尤其对于非常轻或非常重的物体。校准也可能受到温度和磨损等因素的影响,从而导致不准确。因此,尽管它们在演示和基本测量中表现出色,但可能不适合所有需要精确度的科学应用。 总之,弹簧秤是测量领域的重要工具,提供了一种简单有效的方法,根据物理原理来衡量重量。它们为学习和理解科学中的基本概念提供了动手的方式。尽管存在一些局限性,但它们的实用性和易用性使它们在教育和实际应用中成为宝贵的资源。理解如何使用和解释弹簧秤可以增强人们对物理世界及其所支配的力量的欣赏。总体而言,它们在理论知识与实际应用之间架起了一座桥梁,使其成为教室和实验室的基础工具。