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Explain the following : It is easier of ...

Explain the following : It is easier of swim in sea water than in river water.

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MBD-GRAVITATION-Example
  1. Give reasons for the following :A cork piece floats but an iron piece ...

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

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  3. Explain the following : It is easier of swim in sea water than in rive...

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

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  5. Why a bucket of water is lighter when in water than when it is taken o...

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

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  7. Two spheres of 1kg mass each are separated by 3 m. Calculate the gravi...

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  8. The radius of moon is 1.7 xx10^6m and its mass is 7.35xx 10^22 kg. Wha...

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

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  10. At what height above the earth surface, the acceleration due to gravit...

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  11. A ball is dropped from top of 40m high tower. What will be its velocit...

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  12. If weight of an object is 49 N then what will be its mass ?

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

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

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  15. What is g on the moon as compared to that on earth?

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  16. What is unit of G?

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  17. What is the mass of the earth?

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  18. What is essential property of matter- mass or weight ?

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  19. What is SI unit of weight of a body?

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  20. The earth's gravitational force an acceleration of 5ms^-2 on a 1kg ...

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