Pvkarmstrongidn
Answered

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Water
Procedures:
1. Fill one-third of a cup or small jar.
2. Place an index card over the top, making sure it is large enough to
cover the entire opening.
3. Hold the card and cup over a sink and turn it upside down.
4. Remove your hand from the card. If done correctly, the water will
remain in the cup.
Using what you have learned about gases, liquids and pressure explain what might be causing the card and
water not to fa downward?

Sagot :

GinnyAnsweridn

Final answer:

Air pressure counteracts gravity, keeping the water in the cup when turned upside down.


Explanation:

Pressure plays a crucial role in keeping the card and water in the cup when turned upside down. When the card is held over the cup, the pressure of the air above the water creates a force that acts against the force of gravity, preventing the water from falling out. This is due to the concept of air pressure exerting force equally in all directions.


Learn more about Pressure and air in relation to water in a cup here:

https://brainly.com/question/37173940


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