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7 A wind with speed 40 m s blows parallel to the roof of a...

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7 A wind with speed 40 m s blows parallel to the roof of a house The area of the roof is 250 m Assuming that the pressure inside the house is atmospheric pressure the force exerted by the wind on the roof and the direction of the force will be Pair 1 2 kg m a 2 4 x 105 N upwards b 2 4 x 105 N downwards c 48 x 105

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