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It is easier to lift a heavy stone under...

It is easier to lift a heavy stone under water than in air. Explain.

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ICSE-UPTHRUST IN FLUIDS, ARCHIMEDES' PRINCIPLE AND FLOATATION-EXERCISE 5(A)
  1. Will a body weigh more in air or in vacuum when weiged with a spring b...

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  2. a metal solid cylinder tied ot a thread is hanging from the hook of a ...

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  3. A body dipped into a liquid experiences an upthrust. State two factors...

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  4. How is the upthrust related to the volume of the body submerged in a l...

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  5. A bunch of feathers and a stone of the same mass are released simultan...

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  6. A body experiences an upthrust F(1) in river water and F(2) in sea wat...

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  7. A small block of wood is held completely immersed in (i) water (ii) gl...

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  8. A body of volume V and density rho is kept completely immersed in a li...

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  9. A body held completely immersed inside a liquid experiences two forces...

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  10. Complete the following sentences: Two balls, one of iron and the oth...

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  11. Complete the following sentences: An empty tin container with its mo...

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  12. Complete the following sentences: A piece of wood is held under wate...

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  13. Prove that the loss in weight of a body when immersed wholly or partia...

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  14. A sphere of iron and another of wood the same radius are held under wa...

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  15. A shpere of iron and another of wood, both of same radius are placed o...

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  16. How does the density of material of a body determine whether it will f...

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  17. A body of density rho is immersed in a liquid of density rho(L).State ...

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  18. It is easier to lift a heavy stone under water than in air. Explain.

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  19. State Archimedes, principle.

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  20. Describe an experiment to verify Archimedes' principle.

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