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Why do the roofs of huts blown away when there is a wind storm?
Wiki User
∙ 10y ago
Could be poor attachment, roof pitch, pressure differentials, sind speed and direction, or any number of factors that allow the power of the wind to overcome the friction of the fastening devices or weight of the materials used in construction.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoIt seems that a roof is is either blown off or sucked depending on where the tornado is positioned. The tornado, if over of the house (in directly), can either be blown off of the roof from by the side winds which are created from the spinning of the tornado. Or if directly over the home, it may be possible that a vacuum is created which in turn also would lift (suck) the roof off of the house.
Wiki User
∙ 9y agoThe wind travels over the roof to create an area of low pressure at the apex of the roof. Simultaneously the pressure below the roof increase to the pivot point that is greater the buildings structural resistance. The roof joints weaken and release.
Wiki User
∙ 12y agoWinds tend to be faster above ground level and since the roof of a building is its highest part it is exposed to the strongest winds. Additionally, the upper portions of many structures are built with lighter materials. One possibility for how roofs are removed is that the wind going over the upwards slanted surface creates lift which essentially peels the roof off.
Wiki User
∙ 10y agowhen storms flown over roof it creats a vaccum over roof for sometime thus outside pressure reduces and inside pressure of the house remains constant. so by the pressure difference between inside and outside,roofs are blown. it is based on bernolli,s principle.
Wiki User
∙ 10y agoIn many cases the wind blows under the roof or under the eaves and lifts the roof off. In some cases the wing going over the roof reduces pressure on the roof's surface, causing it to lift up. From videos of roofs being torn off in tornadoes and other extreme wind events, it appears that the roofs are usually peeled off.
Wiki User
∙ 11y agowhen the wind blows they create a sucking force which blows the roofs .
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Bernoulli's therem used to tell about lift of an air craft wing, Blowing of roofs, Bunsen burner.In bunsen burner, the gas comes out of the nozzle with high velocity.Due to this the pressure in the stem of burner decreases. So air from the atmosphere rushers into the burner. During a storm, the roofs of huts or tinned roofs are blown off without any damagd to other parts of the hut. The blowing wind creates a low pressure on the top of the roof. The pressure under the roof is however greater than on the roof. Due to this pressure difference, the roof is lifted and blown off with the wind./
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