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Originally posted by defcon5
Basic physics again, if you have a 100-foot lever you can lift more then with a 10-foot lever because the extra distance amplifies the force of your weight.
Originally posted by defcon5
No, the collapse occurred because of major weakening at one point on the building, which allowed the weight of the floors above it to come smashing down on the floor below all at once. Thus causing a chain reaction as each floor was hit by the weight of all the floors above it.