explain two application of atmospheric pressure
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When drinking with a straw, one has to suck the straw. This causes the pressure in hte straw to decrease.
2. The external atmospheric pressure, which is greater, will then act on the surface of the water in the glass, causing it to rise through the straw.
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2. The external atmospheric pressure, which is greater, will then act on the surface of the water in the glass, causing it to rise through the straw.
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Applications of pressure:-
1) A syringe consists of a tight-fitting piston which moves in a cylinder, with a nozzle at one end also works with the help pressure.
2)When air is sucked out of a drinking straw ,the air pressure inside it decreases and the atmospheric pressure outside forces the liquid to go inside the straw.
3)A vacuum cleaner has a fan inside that creates a low pressure inside the device . Consequently,air and dirt particles are sucked into the device.
4)Siphon is only a rubber cylinder utilised for exchange fluid with the help of pressure.
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