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When you suck on a drinking straw, you are creating a lower air pressure inside the straw compared to the outside air pressure. This pressure difference causes the liquid to be pushed up the straw and into your mouth. So sucking on the straw essentially helps to control the flow of liquid into your mouth.

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AnswerBot

1y ago

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When you drink with the help of a straw what forces the liquid up the straw?

When you suck on a straw, you create a vacuum in your mouth, and the atmospheric pressure pushes the liquid up the straw and into your mouth. The difference in pressure between the area inside the straw and outside is what causes the liquid to move upwards.


Why does the liquid move up the straw?

The liquid moves up the straw due to air pressure. When you suck on the straw, you create low pressure inside the straw. The higher air pressure outside the straw then pushes the liquid up to balance the pressure difference.


How does a straw work using Boyle's law relating to volume and pressure?

If you suck some air out of a straw, the remaining air in the straw will have to contract in volume in order to maintain the same pressure, which it will do because normal air pressure is still pressing on the liquid in which the straw is submerged. The contracting air will then draw up the liquid.


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 is it possible to suck up lemon soda through a straw?

When you suck on a straw, you create a low-pressure area in your mouth. The higher air pressure outside the straw then pushes the lemon soda up through the straw and into your mouth. This process is known as suction.


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.


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.


When you suck from a straw you make your mouth bigger so what happens to the air pressure in your mouth?

When you suck from a straw, you increase the volume of your mouth. This decrease in pressure inside your mouth creates a vacuum that draws liquid up the straw.


When you drink a soft drink with the help of a straw what forces the liquid up the straw?

When you suck on a straw, you decrease the air pressure inside the straw, creating a partial vacuum. The higher air pressure on the surface of the liquid outside the straw then pushes the liquid up the straw and into your mouth.


What is demonstrated by water moving a straw?

The power of suction. If you suck through a straw, the air within as nowhere to go as does the water inside it other than your mouth. Straws allow you to suck in any liquid you stick them into. That is, as long as the straw does not have a hole in it.


When you suck a straw your mouth gets bigger what happens to the air pressure in your mouth?

When you suck on a straw, the air pressure in your mouth decreases, creating a vacuum that allows the liquid to be drawn up into the straw and into your mouth. This decrease in air pressure is what causes the liquid to move from the higher pressure environment in the glass to the lower pressure environment in your mouth.


Why does the air pressure in a straw be reduced when sucked?

when u suck from a straw (no offense lol) u r taking air from it and it is not replaced by any so pressure starts to decrease ..... when it gets stronger it pulls liquid(being heavier than air!) but when cup is empty no pressure decrease as air is replaced by air.