A tornado rips off a 100 m2 roof with a mass of 1000 kg

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A tornado rips off a 100 m2 roof with a mass of 1000 kg. What is the minimum vacuum pressure needed to do that if we neglect the anchoring forces?

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A tornado rips off a 100 m2 roof with a mass of 1000 kg : a tornado rips off a 100 m2 roof with a mass of 1000 kg. what is the minimum vacuum pressure needed to do that if we

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