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Question
Which of the following methods will help in reducing air drag?
Which of the following methods will help in reducing air drag?
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Solution
The correct option is D Streamlining
By polishing or using ball bearings and lubricants, we can decrease friction between two solid surfaces. However, to decrease air drag, we can use streamlined objects which can easily move through air without much resistance.
Streamlining
By polishing or using ball bearings and lubricants, we can decrease friction between two solid surfaces. However, to decrease air drag, we can use streamlined objects which can easily move through air without much resistance.
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