# Fill in the blank: If a solid is stretched or compressed beyond the point that it can return to...

## Question:

Fill in the blank:

If a solid is stretched or compressed beyond the point that it can return to its original shape, it has passed its _____.

## Hooke's Law:

When any load or force is applied to any object, its per unit area measurement is known as stress. It is expressed in {eq}\rm N/m^2 {/eq}. On applying the load, there is some deformation which is measured with the help of strain. The strain is defined as the ratio of change in dimension to the original dimension. There is no unit of strain. It can be given as:

$$\rm Strain = \dfrac {\rm Change \ in \ dimension}{\rm Original \ dimension}$$

In 1660, British scientist Robert Hooke gave the relationship between stress and strain. As per the Hooke's law stress is directly proportional to the strain. It can be expressed as:

$$\rm Stress \ \alpha \ \rm Strain$$

When the load is applied, the solid elongate and when the load is removed, the solid is compressed.

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If a solid is stretched or compressed beyond the point that it can return to its original shape, it has passed its elastic limit.

Consider the image... Hooke's Law & the Spring Constant: Definition & Equation

from

Chapter 4 / Lesson 19
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After watching this video, you will be able to explain what Hooke's Law is and use the equation for Hooke's Law to solve problems. A short quiz will follow.