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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 13 - Fluid Mechanics > Air stream flows horizontally past an aeroplane wing of surface area 4m^2. The speed of air over the top surface is 60ms^−1 and under the bottom surface is 40ms^−1 The force of lift on the wing is (density of air =1kgm^−3)

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

In the figure shown