explain to show that air exerts pressure
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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.
drdanger:
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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.
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