A drinking straw works on the existence of ____________pressure.

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Solution

When we suck the air out of the straw, it creates low pressure in the straw.
2. Since the atmospheric pressure outside the straw is higher. So, liquid flows from outside in the straw.
Hence, A drinking straw works on the existence of air pressure.

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A drinking straw works on the existence of ____________pressure.

When we suck the air out of the straw, it creates low pressure in the straw. 2. Since the atmospheric pressure outside the straw is higher. So, liquid flows from outside in the straw.Hence, A drinking straw works on the existence of air pressure.

When we suck the air out of the straw, it creates low pressure in the straw.
2. Since the atmospheric pressure outside the straw is higher. So, liquid flows from outside in the straw.
Hence, A drinking straw works on the existence of air pressure.