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11. Force and Pressure
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Q24 of 100 Page 208

Name the substance whose weight produces atmospheric pressure.

Air


Air has mass and occupied space.


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22

If a vacuum is created between two Magdeburg hemispheres joined together, they cannot be separated easily, What presses the hemispheres together ?

23

What makes a balloon get inflated when air is filled in it?

25

Where is the pressure greater, 10m below the surface of the sea or 20m below the surface of sea?

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What force acting on, an area of 0.5 m 2 will produce a pressure of 500 Pa?

Questions · 100
11. Force and Pressure
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