1. Traveling in such a bubble held the potential to reduce the frictional drag radically. 2. This induced drag is a pressure drag which has nothing to do with frictional drag . 3. There is a frictional drag that is given by the shear due to the viscosity. 4. Where f _ r is the frictional drag coefficient. 5. Wind speed increases with height and is lower towards the ground due to frictional drag . 6. The frictional drag of water against the metal skin of the projectile rapidly saps its energy. 7. Wind waves also act to modify atmospheric properties through frictional drag of near-surface winds and heat fluxes. 8. The increase causes the Earth's atmosphere to balloon to new heights, creating new frictional drag on orbiting satellites. 9. Swimming organisms with a fusiform shape are likely to experience the greatest reduction in both pressure and frictional drag . 10. The frictional drag of the blooming atmosphere is causing the orbital outpost to descend between one and two miles each week.
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