When it comes to understanding the properties of different materials, one important concept to know is modulus elasticity.

## But What Exactly is Modulus of Elasticity?

Simply put, it is a measure of how much a material can stretch or compress before it breaks.

In this blog post, we’ll explore different examples of materials with varying elastic modulus and explain how they are used in our everyday lives. We’ll also show you how it is measured, and highlight some real-world applications of this important property.

## Examples

Let’s start by looking at some common materials that have high and low modulus of elasticity.

A rubber band, for example, has a very high modulus elasticity, which means it can stretch a lot before breaking.

On the other hand, steel has a very low modulus of elasticity, meaning it can only stretch or compress a little before breaking.

These properties of rubber and steel can be seen in everyday life. For example, you might use a rubber band to hold something together or as a toy to play with, because of its stretchiness. Steel, on the other hand, is often used to build bridges, skyscrapers and other structures because of its strength and stability.

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## How is it measured?

It is measured in a laboratory setting using a device called a tensile tester. This machine applies a force to a material, and measures how much the material stretches or compresses before breaking.

However, you can also demonstrate it in a simple experiment at home. You can take a rubber band and a paperclip. Stretch both of them and observe how far they stretch before breaking. You can see that rubber band stretches much further than the paperclip.

## Applications

It is used in engineering and construction to make sure that materials used in buildings and other structures can withstand the forces they will be subjected to. For example, the steel beams used in a skyscraper need to have a low modulus of elasticity so they don’t bend too much under the weight of the building.

Another example is of a car suspension system, which needs to have a high modulus of elasticity to absorb bumps in the road while driving.

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## In conclusion,

It is an important property of materials that can affect how they behave in different situations. By understanding how different materials stretch and compress, we can make better use of them in our everyday lives. The next time you see a rubber band or a steel bridge, think about how modulus elasticity plays a role in their properties.

## FAQ

### Q: What is modulus of elasticity?

A: It is a measure of how much a material can stretch or compress before it breaks. It is used to determine the elastic properties of a material and how it will behave under different loads and conditions.

### Q: How is it measured?

A: It is measured in a laboratory setting using a device called a tensile tester. This machine applies a force to a material, and measures how much the material stretches or compresses before breaking.

### Q: What materials have high modulus of elasticity?

A: Materials such as rubber, elastomers and some plastics have high modulus elasticity, meaning they can stretch a lot before breaking.

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### Q: What materials have low modulus of elasticity?

A: Materials such as steel, concrete, and ceramics have low modulus of elasticity, meaning they can only stretch or compress a little before breaking.

### Q: How is it used in real-world applications?

A: It is used in engineering and construction to make sure that materials used in buildings and other structures can withstand the forces they will be subjected to. It is also used in product design such as car suspension systems, which need to have a high modulus of elasticity to absorb bumps in the road while driving.

### Q: Are there any fun and simple activities that can be done at home to demonstrate it?

A: Yes, you can try a simple experiment at home to demonstrate modulus of elasticity by taking a rubber band and a paperclip. Stretch both of them and observe how far they stretch before breaking. This will help you understand the difference in the modulus of elasticity of different materials.