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

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Solution

When you suck the air out of the straw, you decrease the pressure inside the straw, allowing the higher pressure on the rest of the surface to push the liquid up the straw and into your mouth.

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Similar questions

Q. When we drink liquid with a straw ,the air pressure inside the straw

Q. While drinking a soft drink with the help of a straw the pressure in the straw is ______ and the pressure in the bottle is_______

Question 3

Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for rise in level of the drink?

(a) Blowing of air decreases pressure over the opening of the straw.

(b) The straw of the soft drink bottle collapses when air is blown over its open end

(d) Blowing of air increases the pressure on the surface of soft drink in the bottle.

Q. Fill in the blank.

When we drink liquid with a straw,the air pressure acting on the surface of liquid then becomes _______ than the pressure inside the straw

Q. Which of the following plays an important part while drinking a liquid with a straw?

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