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When we suck the straw, we create a pressure within the straw to go against gravity. So the straw pulls up the lemonade because of the force we create through sucking.
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∙ 10y ago
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What role does atmospheric pressure play when someone is drinking a liquid through a straw?
when you drink through a straw you remove some of the air in the straw. because there is less air the pressure of the straw is reduced. but the atmospheric pressure on the surface of the liquid remains the same. henceforth how it helps you drink
How does milk rise up when you drink milk from a bottle with a straw?
When you suck from a straw you create a partial vaccuum which reduces the air pressue inside the straw. The air pressure outside the straw pushes down on the milk and forces it up through the straw.
When we suck on a straw the liquid travels up. why?
Because of the suction the pressure in your mouth is lower than the atmospheric pressure on the surface of the liquid. This extra pressure pushes the liquid up the straw.
What make milkshake go up your straw?
When you suck on the straw, the pressure inside your mouth is less than the outside air pressure. Because of the imbalance, the outside pressure pushes the milkshake down the glass, up the straw and into your mouth.
How does straw function while drink?
When you 'suck' on a straw, you reduce the air pressure inside it. This means the air pressure on the surface of the liquid outside the straw is greater - so it pushes down, which forces liquid up the straw into your mouth.
How do straws work scientifically?
Your cheeks draw a suction, and the ambient air pressure pushes the liquid up the straw.
How is drinking from a straw the same as an egg going into a glass bottle?
Drinking from a straw is the same as an egg going into a glass bottle, because air pressure in both cases is used to move something. In the straw, you reduce the air pressure in the straw, so the air pressure around the drink pushes it up into the straw and into your mouth. In the egg, you reduce the air pressure in the bottle, and air pressure around the egg pushes it down into the bottle.
What happens to the air pressure in the straw when you suck lemonade?
The pressure in the straw goes to negative.[We cannot have a negative pressure - this grammar form is known as an oxymoron.]A2. The pressure in the straw is reduced, and thus the liquid is able to be drawn higher in the straw.
How does a straw work?
As you create a partial vacuum in the top part of the straw, the weight of the entire atmosphere above the glass applies a pressure of 15 PSI on the liquid surface. This pressure pushes the liquid up the straw until the pressure in the straw returns to 15 PSI too. If you keep creating the partial vacuum the air pressure will push the liquid all the way to the top of the straw and out.
To suck lemonade of density 1000 kgm3 up a straw to a maximum height of 3.2 cm what minimum gauge pressure in atmospheres must you produce in your lungs?
P= density x gravity x height and the answer is negative because air is reduced in the straw
The water in a drinking straw does not drip out when you press te top of the straw with your thumb or finger tip?
It's a matter of air pressure that acts on the water. When the straw is uncovered, there are two forces acting on the water inside. There is gravity, pulling the water down, and air pressure. The pressure is about the same on both ends of the straw, but on the top of the straw, the pressure pushes the water downward, and on the bottom of the straw, the pressure pushes upward. Both of the pressures are the same, so the net force is just the force of gravity pulling the water down and out of the straw. When you cover the top of the straw, you block the air from pushing down on the water. In this case, the only forces on the water are the air pressure pushing up, and gravity pulling down. However, the air pressure is a greater force than gravity, and keeps the water in the straw despite gravity's pull.
How does water rise inside a straw?
The simple answer is that when you sip on a straw you draw air out of it. Since there cannot be a vacuum, the liquid comes up the straw to replace the air. But this is also happening: When you sip on a straw you cause a reduction in air pressure inside the straw. The air pressure on the liquid outside the straw is now greater than on the inside. Because nature doesn't like an imbalance, it gets pushed down into the glass and thus up the straw.
