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Why is walking barefooted on a sharp gra...

Why is walking barefooted on a sharp gravel (grift) road difficult ?

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the stones on gravel road have sharp edges .When we walk with borefoot , it touch very small areas of sharp stones .This leads to much higher surface pressure which causes pain and difficult to walk.
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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION -C (Objective Questions) (VSQs)
  1. Why railway tracks are laid on large sized wooden sleepers ?

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  2. Explain why is it easy to cut an apple with a sharp knife than with a ...

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  3. Why is walking barefooted on a sharp gravel (grift) road difficult ?

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  4. Explain why water does not run out of a dropper unless it's rubber bul...

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  5. Why two holes are made to empty an oil tin ?

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  6. Why bottom filled with liquid breakdown when cork is hit ?

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  7. Give two uses of Pascal's law

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  8. How mush force is exerted on our body at atmospheric pressure ?

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  9. What is 1 Torr pressure ?

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  10. What is 1 bar ?

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  11. Write relation between torr and millibar .

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  12. On what factors does the pressure of any place depends ?

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  13. Express 1 atm pressure into N//m^(2) and bar.

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  14. Why does food cook faster in a pressure cooker ?

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  15. Explain that you can't make a decent cup of tea up on a mountain ?

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  16. When air plane fly at higher altitude it is not right to keep a founta...

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  17. Mountaineers suffer from nose bleeding (nostril ) at higher altitudes.

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  18. It is difficult to heal wound on mountain.

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  19. Straws are used to take soft drinks . Why ?

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  20. Explain why are water storage dam walls thicker at the bottom.

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