It sure affected the firefighters who set up headquarters in one of the buildings. They knew a lot about ordinary fires, but this was jet fuel which melted aluminum, causing the building to collapse. Most of them weren't performing dramatic rescues at the moment. They just got clobbered.
One of the engineers who designed the building tried to warn them, but couldn't get through.
Yes.
No. Islamist jihad brought the towers down.
The people inside.
it affects motion by friction a friction pull it down or up
1,307
falling down
Slows an object down or speeds one up.
2,996 people died.
Londan bridge is falling down, falling down, falling down, londan bridge is falling down, my dear aldy
none
people
It slows the acceleration - possibly down to zero @ "terminal velocity".