What Does Freefall Mean
What About Freefall?
(There are 3 articles in this section)
David chandler, a high school physics teacher instructs us, that "Newton's third law says that when objects interact, they always exert equal and opposite forces on each other. therefore, while an object is falling, if the falling top of the building exerts any force on objects in its path, those objects must push back with equal force slowing the fall." This implies that in order for the top of World Trade Center Building 7 to fall to the ground at free-fall there could be no structure for it to impact below the top. The only way the structure could be removed below the top would be through a process of controlled explosive demolition with something like RDX or HMX explosives in combination with Nano-thermite. This further implies that whoever conceived of the 9/11 attacks would have had to place the explosives in World Trade Center Building 7 weeks or months in advance of 9/11. World Trade Center Building 7, however, is one of the most secure buildings in lower Manhattan because it housed the Internal Revenue Service Regional Council, the U.S. Secret Service, the Securities and Exchange Commission and the New York City Office of Emergency Management.
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9/11: An Architect’s Guide [Part 3] (PDH Available)