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Explain why, building and dams have wide...

Explain why, building and dams have wide foundations.

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MBD -HARYANA BOARD-GRAVITATION-Example
  1. State Archimedes' principle.

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  2. How is submarine able to move on water surface as well as go under wat...

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  3. Explain why, building and dams have wide foundations.

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  4. Steel sinks in water but a steel boat floats .why ?

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  5. Why does a sharp knife cut object more effectively than a blunt knife ...

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  6. Give reasons for the following :A cork piece floats but an iron piece ...

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  7. Explain the following : Swimmers are provided with an inflated rubber ...

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  8. Why is it easier to swim in sea water than in the river water ?

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  9. Why is the pressure on the ground more when a man is walking than when...

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  10. Why is a bucket of water lighter when in water than in air?

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  11. If a fresh egg is put into a beaker filled with water, it sinks On dis...

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  12. The radius of the moon is 1.7 xx 10^(6) m and its mass is 7.35 xx 10^(...

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  13. Find the change in weight percentage of a body when it is taken from e...

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  14. At what distance from the centre of the earth, the value of accelerati...

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  15. A block of wood is kept on a table top The mass of the wooden block is...

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  16. A block of wood is kept on a table top The mass of the wooden block is...

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  17. A solid body floating in water has 1//5th of its volume above the surf...

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  18. Explain why Moon exerts a lesser gravitational force on objects as com...

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  19. The unit of g/G is

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  20. What is the SI unit of weight ?

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