Examples that our experts pressure
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Some daily life experiences that show that air exerts pressure
You find it easier to row the boat when the wind is blowing behind you.
The wind coming from the back help in flying kite.
When we suck from the straw, the liquid rises in it.
The medicine enters the syringe when a piston is pushed out.
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1) The end of nails are made pointed so that large pressure is exerted at the pointed ends and they can be driven into, with less effort.
2) The cutting tool also have either sharp or pointed edges so that even a small thrust may causes a great pressure at the edges and cutting can be done with less effort.
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