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Explain why To keep a piece of paper h...

Explain why
To keep a piece of paper horizontal,you should blow over,not under it.

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NCERT BANGLISH-MECHANICAL PROPERTIES OF FLUIDS -EXERCISE
  1. Fill in the blanks using the words from the list appended with each st...

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  2. Fill in the blanks using the words from the list appended with each st...

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  3. Explain why To keep a piece of paper horizontal,you should blow over...

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  4. Explain why When we try to close a water tap with our fingers. Fast ...

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  5. Explain why A fluid flowing out of a small hole in a vessel results ...

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  6. Explain why A spinning cricket ball in air does not follow a parabo...

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  7. A 50kg girl wearing high heel shoes balances on a single heel.the heel...

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  8. Torricelli's barometer used mercury. Pascal duplicated it using French...

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  9. A vertically-off shore structure is built to withstand a maximum stres...

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  10. A hydraulic automobile lift is designed to lift cars with a maximum ma...

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  11. A U-tube contains water and methylated spirit separated by mercury. Th...

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  12. In the previous problem, If 15.0 cm of water and spirit each are furth...

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  13. Can Bernoulli's equations be used to describe the flow of water throug...

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  14. Does it matter if one uses gauge instead of absolute pressures in appl...

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  15. Glycerine flows steadly through a horizontal tube of length 1.5 m and ...

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  16. In a test experiment on a model aeroplane in a wind tunnel, the flow s...

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  17. Figures 10.23(a) and (b) refer to the steady flow of a (non-viscous) l...

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  18. The cylindrical tube of a spray pump has a cross section of 8.0 cm^2 o...

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  19. A U-shaped wire is dipped in a soap solution, and removed. The thin so...

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  20. Figure 10.24(a) shows a thin liquid film supporting a small weight =4....

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