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Why is the tip of an allpin made sharp ?...

Why is the tip of an allpin made sharp ?

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ICSE-PRESSURE IN FLUIDS AND ATMOSPHERIC PRESSURE-Exercise-4(A)
  1. Differentiate between thrust and pressure .

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  2. How does the pressure exerted by a thrust depend on the area of surfac...

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  3. Why is the tip of an allpin made sharp ?

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  4. Explain the following : (a) It is easier to cut with a sharp knife t...

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  5. What is a fluid ?

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  6. What do you mean by the term fluid pressure ?

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  7. How does the pressure exerted by a solid and a fluid differ ?

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  8. Describe a simple experiment to demonstrate that a liquid enclosed in ...

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  9. State three factors on which the pressure at a point in a liquid depen...

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  10. Deduce an expression for the pressure at depth inside a liquid.

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  11. Deduce an expression for the pressure at depth inside a liquid.

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  12. How does the pressure at a certain depth in water differ from that of...

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  13. Pressure at free surface of a water lake is P(1), while at a point at ...

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  14. Explain why a gas bubble released at the bottom of a lake grows in siz...

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  15. A dam has broader walls at the bottom than at the top. Explain.

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  16. Why do the deep sea divers wear specially designed suits?

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  17. State the laws of liquid pressure.

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  18. How does the liquid pressure on a diver change if : (i) the diver mo...

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  19. State Pascal's law for the transmission of pressure in enclosed liquid...

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  20. Name two applications of Pascal.s law.

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