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Immerse the plastic bottle to the bottom...

Immerse the plastic bottle to the bottom of the bucket. Don't you have to exert a force? Why is it so?

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The correct Answer is:
It is because wate exerts an upward force.
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  2. Immerse the plastic bottle to the bottom of the bucket. Don't you have...

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  3. Leave the bottle free. What do you observe?

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  8. Find out the reasons for the following. Kerosene floats on water.

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  9. Find out the reasons for the following. A ship floats on water.

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  10. Find out the reasons for the following. When a body was placed in a ...

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  11. Does a ship that enters a fresh water lake from the ocean sink more or...

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  12. What are the factors affecting buoyancy?

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  13. As density of a liquid increases buoyancy……(increases/decrease)

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  14. Density of water is=

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  15. How is relative density of kerosene calculated?

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  16. Write examples for liquids of density greater and lesser than that of ...

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  17. Which device is used to measure the relative density of a liquid?

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  18. What will be the reading when the hydrometer is dipped in water?

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  19. Suppose the hydrometer is dipped in a liquid of density greater than t...

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  20. In which case does the hydrometer sink more? In liquids of greater den...

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