The pressure on the top surface of an aeroplane wing is `0.8xx 10^5` Pa and the pressure on the bottom surface is `0.75 xx 10^5` Pa. If the area of each surface is `50 m^2`, the dynamic lift on the wing is

In a wind tunnel experiment the pressure on the upper and lower surfaces of the wings are 0.90xx10^(5)Pa and 0.91 xx 10^(5)Pa respectively. If the area of the wing is 40 m^(2) the net lifting force on the wing is

In a wind tunnel experiment the pressure on the upper and lower surfaces of the wings are 0.90 xx 10^(5) Pa and 0.91 xx10^(5) Pa respectively .If the area of the wings is 40 m^(2) the net liftng forcw on the wing is

The velocity of the wind over the surface of the wing of an aeroplane is 80ms^(-1) and under the wing 60ms^(-1) . If the area of the wing is 4m^(2) , the dynamic lift experienced by the wing is [density of air =1.3kg.m^(-3) ]

Air stream flows horizontally past an aeroplane wing of surface area 4 m^(2) . The speed of air over the top surface is 60 ms^(-1) and under the bottom surface is 40 ms^(-1) The force of lift on the wing is (density of air = 1 kgm^(-3) )

In a test experiement on a model aeroplane in a wind tunnel, the flow speeds on the lower and upper surfaces of the wing are upsilon and upsilonsqrt(2) respectively. If the density of air is rho and the surface area of the wings is A, what is the dynamic lift on the wing of aeroplane.

The pressure due to atmoshere is 1-013xx10^5 Pa. Find the force exerted by the atmosphere on the top surface of a table 2-0 m long and 1-0m wide.

A glass bottle of soda is sealed with a screw cap . The absolute pressure of the carbon dioxide inside the bottle is 1.80 xx 10^(5) Pa. Assuming that the top and bottom surfaces of the cap each have an area of 4.10 xx 10^(-4) m^(2) , obtain the magnitude of the force that the screw thread exerts on the cap in order to keep it on the bottle . The air pressure outside the bottle is one atmosphere .

The atmospheric pressure in SI unit I s 1.01 xx 10^(5) Pa. Its value in CGS unit is

The flow speeds of air on the lower and upper surfaces of the wing ofan aeroplane are v and sqrt2v respectively. A is the area of the wing and rho is the density of th e surrounding air. What is the force of the dynamic lift on the wing ?

In a test experiment on a model aeroplane in wind tunnel,the flow speeds on the upper and lower surfaces of the wings are 70ms^(-1) and 65ms^(-1) respectively.If the wing area is .2m^(2) , the lift of the wing is__________N (Given density of air =1.2kgm^(-3) )