A wind with speed 40 ms blows parallel to the roof that the

Last updated: 6/7/2023

A wind with speed 40 ms blows parallel to the roof 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 kgm3 roof area 250 m 1 2 4 x 105 N downwards 2 4 8 x 105 N downwards 3 4 8 105 N upwards 4 2 4 x 105 N upwards