When straw is rubbed with paper it acquires charge due to friction. This straw when brought near uncharged straw induces opposite charge in the region of the uncharged straw nearer 2 the charged one....
Milkshake straws are larger in diameter than soft drink straws. Since milkshakes are thick, they are very hard to drink with a small straw, thus the increased diameter of the straw makes it easier to...
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...