Question
Straws are used to take soft drinks. Why?
Solution
Straws make use of the capillary action as a result of the difference in pressure.
When a person suck though the straw, pressure inside the straw decreases and due to the difference in pressure outside and inside the straw, the liquid rises in the straw.
When a person suck though the straw, pressure inside the straw decreases and due to the difference in pressure outside and inside the straw, the liquid rises in the straw.
