The structures were still standing after the “very large bomb” went off. And “by very large” are you talking about the size of the bomb or the strength of the explosion? In the case of the south tower a large part of the air fuel blast occurred outside the building and it was obvious that it did almost nothing to the steel.
The structures may have been standing but they were significantly damaged by the impact of almost 1/2 MILLION pound airliners traveling close to the speed of sound impacting into them. That was the equivalent of a very large bomb going off, destroying large sections of exterior structural supports and stripping away the concrete and fireproofing of the steel supports that provided the horizontal component to the structural integrity of the towers. That was not the end of the damage, intense fires then burned reaching almost 2,000 F which would have turned what should have been rigid steel to plastic.
Both towers had intense fires burning inside them and suffered the same huge mechanical force of the impacting airliners, it’s highly inaccurate to claim that the steel would have been unaffected in either tower so you’re basically making up “facts” to confirm your bias, not presenting any coherent argument.
The problem is the speed of the collapse in relation to the conservation of momentum.
There is no problem there with the physics, just your interpretation of them. As W4U posits, how fast will the Leaning Tower of Pisa fall when it suddenly reaches the point where gravity overcomes the structural supports holding the building up. It will happen in seconds, not the centuries it has taken the building to lean over to the point of failure.
When the intense fires burning in the towers had heated the steel supports in the area of failure to the point where they had lost about 90% of their strength gravity took over the thousands of tons of steel and concrete in the floors above dropped in full accordance of gravity applying an incredible force towards the ground that simply overwhelmed all the structural integrity of the floors below.
In case you were unaware of it, gravity accelerates objects within a gravitational field, so what starts out as slow movement can rapidly become very fast.
Gravitational acceleration (symbolized g) is an expression used in physics to indicate the intensity of a gravitational field. It is expressed in meters per second squared (m/s 2 ). At the surface of the earth, 1 g is about 9.8 m/s 2
It is just so interesting that people who come to a Center for Inquiry can just BELIEVE. :LOL:
How ironic that you accuse us of doing exactly what you are doing.
You have offered no proof at all that there needs to be another cause for the collapse of the buildings other than the impacts of massive airliners causing intense fires. You have offered no other plausible scenario for something this cataclysmic to have occurred… but your belief that there must be some other explanation keeps you coming back over and over to demand that we accept your version of events.
When as I said you present no plausible alternatives. Present some facts if you want a real discussion, so far all you’re presenting here is a hypothesis that something else may have happened with zero supporting evidence. That is the definition of belief.