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A gale is on a house. The force on the r...

A gale is on a house. The force on the roof due to the gale is

A

directed downward

B

zero

C

directed upward

D

information insufficient

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-MECHANICAL PROPERTIES OF FLUIDS-C.U.Q (EQUATION OF CONTINUITY, BERNOULLI.S THEOREM)
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  2. If the flow is stream lined then Reynolds number is less than

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  3. The rate of flow of the liquid is the product of

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  4. The equation of continuity leads to

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  5. The volume of a liquid flowing per second out of an orifice at the bot...

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  6. Water is flowing in a pipe of uniform cross section under constant pre...

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  7. What flows through a horizontal pipe of radius r at a speed V. if the ...

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  8. A liquid is under stream lined motion through a horizontal pipe of non...

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  9. A non-viscous liquid is flowing through a horizontal pipe as shown in ...

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  10. Bernoulli's theorem is applicable in the case of

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  11. If air is blown under one of the pans of a physical balance in equilib...

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  12. If air blown through the space between a calendar suspended from a nai...

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  13. A spinning ball is moving in a direction opposite to the direction of ...

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  14. The dynamic lift of an aeroplane is based on

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  16. A train goes past a person standing at the edge of a platform at high ...

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  17. The velocity distribution curve of the stream line flow of a liquid ad...

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  18. Water stands at level A in the arrangement shown in figure. If a jet o...

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  19. The vertical sections of the wing of a fan are shown. Maximum upthrust...

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