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High speed wind blows over a house. The ...

High speed wind blows over a house. The force on the roof is

A

in the horizontal direction

B

in the upward direction

C

in the downward direction

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
According to Bernouli's principle, when the high speed wind blows over the roof, the air pressure above the roof becomes less. Hence the higher pressure below the roof lifts the roof and it may be blown by the wind.
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