Explain why holes are made in hanging banners and hoardings
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238
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Holes are made in hanging banners and hoardings to allow air to pass through them as a result of which there will be less pressure of air on the banners or hoardings. Unless it is done, these may be uprooted or distorted due to the pressure of the air.
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102
Answer:
Answer: Since air exerts pressure, wind blowing at a high speed may break or displace things. If holes are made in hanging banners and hoardings, then air can pass through these holes. This will reduce the pressure exerted by air on the banners and hoardings and these will not fall easily.
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