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How can you reduce the drag on something...

How can you reduce the drag on something moving through the air ?

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Drag can be reduced by: Make it more streamlined. Reduce its speed (very effective). Reduce its cross-sectional area.
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LAKHMIR SINGH & MANJIT KAUR-FRICTION-EXERCISE
  1. What is drag ?

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  2. The coordinates of A and B are

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  3. How can you reduce the drag on something moving through the air ?

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  4. What is meant by 'streamlined shape' ?

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  5. The fast moving vehicles are given streamline shape . Why ?

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  6. A boy runs his toy can on dry marble floor, wet marble floor, newspape...

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  7. Four children were asked to arrange forces due to rolling, static and ...

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  8. A big wooden box is being pushed on the ground from east to west direc...

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  9. A spring balance can be used to measure : A.Mass of an object B.Fo...

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  10. The friction between two surface does not depend on one of the followi...

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  11. If the sliding friction between two surface in found to be 8 N, then t...

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  12. Which of the following is not an advantage of friction ?

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  13. Which of the following statement is incorrect ?

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  14. If the static friction between two surface X and Y is found to be 20 N...

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  15. If the static friction between two surface P and Q is measured to be 5...

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  16. Which of the following will produce the maximum friction ?

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  17. Four similar cars having exactly the same mass are running at the same...

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  18. The weight of an objuct can be measured by a :

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  19. A book is lying on the horizontal table top. If we tilt the table a li...

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  20. A body shape which offers very little resistance to the flow of air ( ...

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