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Why does an iron nail sink in water wher...

Why does an iron nail sink in water whereas wooden cork floats?

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MODERN PUBLICATION-FLOATING BODIES-EXERCISE
  1. A 2 cm cubical lock of mass 2 kg is lying on the ground What is the pr...

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  2. Which of the following units is used to measure thrust?

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  3. A block of wood floats in a liquid of density 0.8 g cm^-3 with one fou...

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  4. If equal masses of water and a liquid of relax density 2 are mixed tog...

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  5. What is centre of buoyancy?

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  6. The S.I unit of relative density is

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  7. State the relationship between thrust and pressure.

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  8. List two factors on which buoyant force depends.

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  9. Relative density of gold is 19.3. The density of water is 1000 kg m^-3...

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  10. Why does an iron nail sink in water whereas wooden cork floats?

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  11. An army tank weighing more than a hundred tonne move conveniently on a...

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  12. Which will exert more pressure, 100 kg mass on 10m^2 or 50 kg mass 4m^...

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  13. If two weights of unequal volumes are balanced in air, what will happe...

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  14. An iron cube of side 10 cm is kept on a horizontal table. If density o...

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  15. When an aobject is immersed ina fluid, two forces act on the object in...

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  16. The density of turpentine at 293 K is given as 870 kg m^-3. Identify a...

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  17. Archimedes principle has wide application in making sips and submarine...

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  18. A doctor applies a force of 50 n to the piston of syringe of area 1.5 ...

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  19. Is the value of 'g' at a given place same for different bodies or it i...

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  20. A metal cuboid of mass 'M' kg rests on a table with surface are of 40c...

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