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What do you understand by the term upthr...

What do you understand by the term upthrust of a fluid?
Describe an experiment to show its existence.

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When a body is fully or partially immersed in a fluid, an upward force on it is exerted by the fluid on it. This upward force is known as an upthrust.
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ICSE-FLUIDS-TOPIC 2 (2 Marks Questions )
  1. Define relative density of a substance.

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  2. The relative density of silver in 10.5 what in the density of silver i...

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  3. What do you understand by the term upthrust of a fluid? Describe an ...

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

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

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

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

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  8. Calculate the mass of a body whose volume is 2 m^3and relative density...

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  9. A body is volume 100cm^(3) weighs 5 kgf in air. It is completely immer...

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  10. A body is volume 100cm^(3) weighs 5 kgf in air. It is completely immer...

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  11. A body weighs 450 gf in air and 310 gf when completely immersed in wat...

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  12. A body weighs 450 gf in air and 310 gf when completely immersed in wat...

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  13. A body weighs 450 gf in air and 310 gf when completely immersed in wat...

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  14. What is meant by the term buoyancy?

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  15. What is the cause of upthrust? At which point it can be considered to ...

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  16. A man first swims in sea water and then in river water. (i) compare ...

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  17. Will a body weigh more in air or in vacuum when weiged with a spring b...

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

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  19. What is the unit of relative density?

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  20. State the principle of floatation.

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