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June 10, 2024
Understand the concept of proportional limit in physics

Understand the concept of proportional limit in physics

Physics is a great branch of study but that does not mean that all students enjoy it. Many students find it difficult to understand the various concepts of physics, and eventually lose interest in the subject. One of the main reasons behind this is the fact that many times teaching in class is not enough for many students who are slow learners. Moreover, it is very difficult to attract the attention of teachers in a class with a large number of students. In such cases, you can greatly benefit from tutoring services. The private physics teacher will explain the concepts clearly and illustrate them with examples. In this article, we will discuss about the concept of relative limit.

Both materials science and mechanics are sub-branches of physics, which refers to the study of the physical and chemical properties of each material that finds applications in fields as diverse as engineering and pure science. In intensive engineering applications, materials are examined for their effectiveness for their yield point or tensile strength limit. Here, macroscopic forces come into play. When a stress test is performed, one of the relevant physical properties is known as the proportional limit.

Before explaining the concept of proportional limit, it is important to understand the various basic ideas associated with it. One of the most basic ideas related to conception is stress and tension. The strength of a material is usually determined by how it reacts to stress and strain. Stress refers to the measure of internal force/unit area acting on a given object when subjected to various deforming forces. The unit of pressure is Newton/sqm. In terms of geometry, strain is the ratio of change in a person’s measurement with respect to the original dimensions. This is the deformation that a body undergoes due to the application of external forces.

The relationship between body stress and fatigue is best defined by Hooke’s Law. This law states that the physical stress experienced by the body is directly proportional to the stress within the elastic limit. An elastic boundary is that plane beyond which if anything is stretched, it is permanently deformed. Now that you know the related ideas of the limit of proportionality, we can now move on to defining it. In simple terms, proportional limit is the highest amount of stress that a body can withstand, while adhering to Hooke’s law.

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