Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 2 Physics Topical Questions and Answers on Fluid Flow

The figure below shows a sheet of paper rolled into a tube. When a fast moving air is blown into the tube as shown in the diagram the paper tube collapses. Explain the observation.

 (0m 56s)
444 Views     SHARE

Download as pdf file

Answer Text:
Blowing into the tube increases the speed of the air inside which makes the pressure inside to decrease, the pressure difference between inside and outside makes the paper to collapse.