Q.5.Explain why holes are made in hanging banners and hoardings.
Harshit Singh , 4 Years ago
Grade 12th pass
7 grade science> Q.5.Explain why holes are made in hanging...
1 AnswersPawan Prajapati
Last Activity: 4 Years ago
Ans.Air exerts pressure. Due to this pressure banners and hoarding flutter and torn when wind is blowing fast. Holes are made in banners and hoardings so that wind passes through the holes and they do not become loose and fall down.
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