Take an empty plastic bottle or a cylindrical container. You can take a used tin can or a used plastic bottle. Drill four holes all around near the bottom of the bottle. Make sure that the holes are at the same height from the bottom (as shown in the figure). Now fill the bottle with water. a) What is pressure?b) Do the different streams of water coming out of the holes fall at the same distance from the bottle? c) Can you now say that liquids exert pressure on the walls of the container?d) State the factors on which pressure depends.. Created by SaiMohitha.

Take an empty plastic bottle or a cylindrical container. You can take a used tin can or a used plastic bottle.

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Explanation:

a) A pressure acting on the unit area of object is called pressure

b) We observed that different streams of a waterfall at the same distance from the bottle. Thus, it indicates that liquids exert equal pressure at the same depth.

c) As we can see that the there are holes, if there was no hole ten we can say that pressure is exerted on the walls of the container

-The pressure depends on two factors.

-Force applied and Area over which force acts.

Pressure.

-The same force can produce different pressure depending on the area on which it acts.

-For example, when a force acts over a large area of an object, it produces a small pressure.

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Answer:

a) Pressure:

Pressure is the force applied per unit area on an object. It is calculated as the force (F) acting on an area (A). Mathematically, pressure (P) is defined as [tex]P = \frac{ F }{A}[/tex].

b) Different streams of water coming out of the holes:

When water flows out of the holes in the bottom of the bottle, the streams of water will not fall at the same distance from the bottle. The stream that is directly below the hole will fall vertically downward due to gravity, but the streams that are at an angle from the vertical will fall at a distance from the bottle.

c) Liquids exert pressure on the walls of the container:

Yes, liquids exert pressure on the walls of the container. When the bottle is filled with water and the holes are opened, water flows out of the holes due to the pressure exerted by the water in the bottle. The pressure at the bottom of the container is greater than at the top, which causes the water to flow out of the holes.

d) Factors on which pressure depends:

Pressure in a liquid depends on the following factors:

1. Depth: Pressure increases with increasing depth in a liquid. The greater the depth, the greater the pressure due to the weight of the liquid above.

2. Density: Pressure increases with increasing density of the liquid. Denser liquids have more mass per unit volume, resulting in higher pressure.

3. Gravity: Pressure in a liquid also depends on the acceleration due to gravity. In most cases, gravity remains constant, and its effect on pressure is indirect through depth and density.

4. Liquid Properties: The pressure in a liquid may be affected by other properties like temperature and compressibility, but these factors may have a relatively minor influence in many cases.

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