Answers

2014-05-14T13:13:22+05:30
Air exerts pressure because it is matter and occupies space and has mass. Since air is a mixture of different molecules they are pushed together causing pressure with each other. Vacuum cleaners work by means of air pressure.
1 5 1
thank you very much!!!!!!!!!
You're welcome! :)
2014-05-14T13:32:48+05:30
Air exerts pressure on tje walls of its container....this can be best understood by blowing a balloon. when air is filled in it the air exerts pressure on the balloons wall and thus expands it as it is made up of rubber.


thanks for reading :)
1 5 1