A wind with speed 40m/s blows parallel to the roof of a house. The area of the roof is 250m ^ 2 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: (P air =1.2kg/m^ 3 ) - VgyanHub

Question:

1.A wind with speed 40m/s blows parallel to the roof of a house. The area of the roof is 250m ^ 2 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: (P air =1.2kg/m^ 3 )

Options :

a) 4.8 x 10^5 N, upwards
b) 2.4 x 10^5 N, upwards
c) 2.4 x 10^5 N, downwards
d) 4.8 x 10^5 N, downwards

Answer :

b) 2.4 x 10^5 N, upwards

Answer Steps :

Solution :-

Step1 :-

Step2 :-

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