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

directed downward

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zero

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directed upward

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information insufficient

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Solution

The correct option is C directed upward
A gale is a very strong wind. It is sustained surface winds of 63 - 87 km/hr of speed. Due to such high winds an upward force is felt on the roof of the houses; because due to gale, pressure lowers by Bernoulli's principle. So, the force on the roof is directed upwards (towards low pressure region).

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