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How to Participate

1. Find or think of an example from daily life where area affects pressure (e.g., sharp knife vs. dull knife, high heels vs. flat shoes)

2. Take or draw a picture of your example

3. Create a post with:

Write your Name

Name your example

Explanation: Describe how area affects pressure in your example

Image: Add a photo or drawing of your example

4. Review your classmates’ posts to see different examples

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Heels and Flat shoes

The heel goes into the ground. That’s because the heel is very thin and the person’s weight is pushing down on a small area.

But if someone wears flat shoes, they don’t sink as much because their weight is spread over a larger area, so there’s less pressure on the ground.

Smaller area = more pressure, and bigger area = less pressure. That’s the inverse relationship of pressure to area. Therefore, high heels sink and flats don’t.

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So in example number 1 the man is using a flat surfing board so then the man doesn't go deeper.

Whereas in example number 2 the man is using pointed heels so then man goes deeper because in the example 1 the man floats using the surfing board and it covers more area so then the pressure becomes lesser then the man doesn't sink. Whereas in the example 2 the man goes deeper because he used the pointed heels and it covers lesser area then the pressure will increases and the man will sinks down.

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Example 1-high heels The thin heels concentrated the person weight on to a mall area resulting in higher pressure and the heel to sink into the ground . Example 2- Flat shoes The weight is distributed over a large area leading to less pressure and prerenting the shoe from sinking as much .

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So in Example 1

When we use the skating shoes on the ground of sand we cannot stand I it but when we will use the skating shoes on the snow he will stand properly this happen Because the skating shoes and it covers more are the the pressure become lesser on the ground

Example 2

When we use the football shoes on beach sand we will can't stand properly but when we are playing with the football shoes on the ground it becomes easier this happen because of the pressure become lesser on the sand that's why we can't stand properly on the snd

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Explanation - When you press the nail into the wall ,it goes easily because the tip of the nail has a very small area,so the pressure is high . But if you try to press flat end of a wooden plank against the wall with the same force , it doesn't go in because the area is large , so the pressure is less

👉Smaller area =more pressure

👉Larger area= less pressure

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*Example 1: Brick on Sand*

A brick is placed on a bed of sand. The brick has a large surface area in contact with the sand, which distributes its weight over a greater area. As a result, the pressure exerted by the brick on the sand is lower. Due to the lower pressure, the brick sinks less into the sand.

*Example 2: Needle on Sand*

A needle is placed on a bed of sand. The needle has a very small surface area in contact with the sand, concentrating its weight onto a tiny area. Consequently, the pressure exerted by the needle on the sand is much higher. Due to the higher pressure, the needle sinks deeper into the sand.

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When we keep pencil on the clay and apply force the marker will not go down, but if we put pencil on the clay and apply same force on the clay the pencil will go deeper in the clay.

Inverse:

When the pressure increases,force decreases.

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When on the pencil and marker we applied same force still pencil goes inside the clay deeper cause the pencil had sharp lie and lesser area . which have more pressure.

inverse :

Whan the pressure increases than the force decrease.

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Example:If the objects are Soft board pin,finger and a page. Which one will need less pressure.

The Soft board pin will need less pressure.The larger area will need lesser pressure and the lesser area will need the more pressure.Because when the area increases the pressure decreases so that's why the finger will need more pressure because the area of finger is more so the pressure will be more and because Soft board pin has lesser area so it's pressure is less.This is because when one value increases the other decreases. So, when area increases, pressure decreases.{If the force stays the same.

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*Scenario 1: Walking with Shoes on Sand*

In this scenario, the entire sole of the shoe comes into contact with the sand. When we walk, our weight is distributed over a larger surface area, resulting in a gentler pressure on the sand. This gentle pressure causes the sand particles to shift and settle slowly, producing a softer sound.

*Scenario 2: Walking with Heels on Sand*

In this scenario, only the heel of the shoe comes into contact with the sand. The heel has a smaller surface area compared to the sole of the shoe, resulting in a greater pressure on the sand. When we walk, our weight is concentrated on a smaller area, causing the sand particles to shift and settle more rapidly. This rapid movement of sand particles produces a louder sound.

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In first example the finger is trying to make hole on wood their is more area and less pressure to make hole on wood.

In second example the nail make hole with less pressure on wood . Their is less area and more pressure.

Examples told that

:Less area ,more pressure

:More area ,less pressure.

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Explanation of how area effect on pressure..

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If you lie the heavy object flat on the pillow, a larger surface area of the object is in contact with the pillow.

The same force (weight) is now spread over a larger area, resulting in lower pressure exerted on the pillow.

This lower pressure will cause a much smaller depression, or perhaps no noticeable depression at all, compared to the first scenario.

Conclusion.

So when pressure is high thre area is less.

And when area is larger than the pressure is less.

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this example shows an bicycle tire and an tractor tire we will classify them as example 1 and example 2

Example 1:-

In example 1 we see that the tire is very thin and the area is very less this is because bicycle tires are thin to reduce the contact area with the ground, which helps to increase the pressure exerted on the road surface for a given rider weight.

Example 2:-

In example 2 we see that the tire is very large and covering a lot of area this is because tractor tires are suppose to run on soft soil which is an heavy object and will sink in the soil easily but due to the large area of the tire the pressure is divided equally in a large area the pressure will be reduced thus not sinking in the soil.

Conclusion:-

when there is more area the pressure is less and when there is less area the pressure is more