Which of the following methods will help in reducing air drag?

Using ball bearings

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Polishing

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Using lubricants

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Streamlining

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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.

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Similar questions

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Of the following statements choose the correct combination that helps reduce friction:
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D) Talc can be used to reduce friction when an object is sliding on a surface.

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Which of the following methods will help in reducing air drag?

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.

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.