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Investigating Air Pressure on Water #air #airpressure #water #equilibrium #gravitation #planmystudy
Title: Investigating Air Pressure on Water #experiment #air #airandspace #project #smpleproject #physics #properties #propertiesofair #space #planmystudy #science #विज्ञान #विज्ञानप्रदर्शनी #prayog #scienceproject #gravitationalforce #equilibrium #schoolproject Materials Needed: A plastic bottle filled with water A sharp object (e.g., needle or pin) A bowl or basin to catch water Optional: a piece of tape or a cork to seal the bottle's mouth Procedure: Take a plastic bottle and fill it completely with water. Using a sharp object, carefully puncture several small holes in the bottom of the bottle. Place the bottle over a bowl or basin to catch any spilled water. Observe what happens as the water begins to leak out of the holes. Observations: Initially, water will start to flow out of the holes due to gravity. As more water flows out, you'll notice the flow rate decreasing. Eventually, the flow may stop altogether. Explanation: When the holes are made, water starts to flow out due to gravity. However, as water exits the holes, air enters the bottle to fill the space, creating air pressure inside. This air pressure opposes the outward flow of water, leading to a decrease in flow rate until equilibrium is reached, and no more water flows out. Closing the mouth of the bottle (using tape or a cork) would prevent air from entering, disrupting the equilibrium and causing the flow of water to stop more quickly. Conclusion: This experiment demonstrates the concept of air pressure and its influence on the flow of water from a container with holes. It highlights the equilibrium between the gravitational force pulling water out and the air pressure pushing against it, ultimately leading to a cessation of flow when equilibrium is achieved.
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