Describe an experiment to show that air exerts pressure in all directions
Answers
Answer:
Explanation:
If the volume of the gas is kept constant , its pressure increases with the increase in temperature. For example, when the air is suck out of a bottle, the air present out side it exerts pressure in all possible directions of bottle . Due to this reason the bottle gets crushed
Answer:
fill roughly one third of cup with water.
then cover the mouth of cup completely with a flat hard card board .using your hand to keep it in a place , turn the cup upside down .when you remove the hand the card board stay in place.
one would expect that due to gravity the water will fall, and even the card board will. however it does not which means that ,some thing must be applied an upward force on card board.this is nothing other than a air pressure.which apply a force across the surface of the cardboard in an upward direction.
thus we can demonstrated that air exert pressure in all direction.
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