When we design a wind vane , we have to make sure that the surface area of the head is smaller than the surface area of the tail . Explain the reason for this?
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When we design a wind vane, we have to make sure that the surface area of the head is smaller than the surface area of tail because when wind flows it strikes the tail part due to greater surface area and the tip of vane turns towards the direction of wind.
Explanation:
Tip always directs the wind flow as the tail part turns due to pressure exerted by wind.
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