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What forces were acting upon the twin towers?
The forces acting upon the twin towers were primarily gravity, wind loads, and the impact of the airplanes on 9/11. These forces caused structural damage and ultimately led to the collapse of the towers.
Did the twin towers collapse quickly because of explosives?
No, it was actually the heat from the fires that weakened the steel in the structures. The resulting "pancake" collapse was a result of the same thing that happens when you knock over a row of dominoes - the failure of the floor where the planes hit (due to the above weakened steel supports) caused it to fall directly down on the floor below, which could not withstand such an impact, and it failed, hitting the floor below, etc.
What caused the twin towers to collapse?
The twin towers collapsed on September 11, 2001, after being struck by hijacked airplanes. The impact of the planes and subsequent fires weakened the buildings' structures, leading to their ultimate collapse.
What was the cause of the two twin towers to collapse?
The collapse of the Twin Towers on September 11, 2001, was caused by the impact of two hijacked planes (American Airlines Flight 11 and United Airlines Flight 175) crashing into the buildings, which weakened the structures, combined with the intense heat from the resulting fires that caused the steel framework to lose its structural integrity.
How did the twin towers got destroyed?
The Twin Towers were destroyed in a terrorist attack on September 11, 2001. Two hijacked airplanes were intentionally flown into the buildings, causing them to collapse. The attacks resulted in the deaths of nearly 3,000 people.
Did the twin towers actually fall down?
The Twin Towers did not fall down in the traditional sense. They were broken up at least in part by explosions and the resulting debris fell down. http://www.youtube.com/watch?v=nUDoGuLpirc
Who made the twin towers fall down?
The terrorist group called Al Qaeda
Who made twin towers fall?
2 planes with terrorists wanted to destroy the twin towers
What weekday did the the twin towers fall?
Tuesday.
Did the twin towers fall down in the 1700?
They weren't even built in the 1700s, so no. They crashed in 2001
What year did th twin towers fall?
2001
What day of the week did the twin towers fall?
tuesday
Why did osama knock down the twin towers?
well osama wanted to knock down the twin towers because he wanted to get pay back
After getting hit how fast did the twin towers fall?
quickly
What happened in the US in September 2001?
the twin towers fall
What day did the Iraq knock down the twin tower?
Iraq did not knock down the Twin Towers
How did the twin towers get knocked down?
peeps knocked it down
