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A 2 cm cubical lock of mass 2 kg is lyin...

A 2 cm cubical lock of mass 2 kg is lying on the ground What is the pressure exerted by the block on the ground?

A

`2.4 xx 10^4Nm^-2`

B

`9.8xx10^4Nm^2`

C

`4.9 xx10^4 Nm^-2`

D

`19.6 xx10^4Nm^-2`

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MODERN PUBLICATION-FLOATING BODIES-EXERCISE
  1. A body of weight 70 N is floating in a liquid. The buoyont force actin...

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  2. A body weighs 100N in air. It measures 80N when partially immersed in ...

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  3. A 2 cm cubical lock of mass 2 kg is lying on the ground What is the pr...

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

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

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

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  7. What is centre of buoyancy?

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  8. The S.I unit of relative density is

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  9. State the relationship between thrust and pressure.

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  10. List two factors on which buoyant force depends.

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

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

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

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

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

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

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

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

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

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

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