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Originally Posted by WarChild
The buildings collapse from the top and fall straight down. So just no on this point.
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The towers fell under 10 seconds flat. a free-falling object is an object which is falling under the sole influence of gravity. That is to say that any object which is moving and being acted upon only be the force of gravity is said to be "in a state of free fall." Such an object will experience a downward acceleration of 9.8 m/s/s.
Quote:
Originally Posted by WarChild
This has already been explained, over and over time and time again by people who are actually engineers and not just message board posters like you and I. In short, the steel didn't have to completely melt, just reach a point where it was no longer capable of holding the weight of the floors above it. As the floors began to collapse, inertia and gravity REQUIRED the buildings to fall down.
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Fair enough, it that were true, then the central core that held the building up, would have remained standing. The floors around the core would have been the ones to collapse.
Quote:
Originally Posted by WarChild
There are pictures of not only chunks falling on tower 7, but a huge section of the corner of the building missing .
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I have yet to see those pictures.
North Face showing "Fires"
South-West Face showing "Fires"
South walls intact in the background AFTER tower 1 and 2 had already collapsed:
FEMA picture of north face intact during attack:
