Originally Posted by
HoundDog
No such thing as "SUCTION" it's all about the difference in air Pressure. I believe atmospheric Pressure in the dumpster would be higher than the reduced air pressure 0n the upper surface of the dumpster lid. The resulting difference in the two pressurizers caused the lid to raise. I believe it's called
Ber·noul·li's prin·ci·plenoun
- the principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure. Also called Bernoulli effect or Bernoulli theorem.
But it could have been a couple of Alley Cats fighting some ones discarded Sandwich. LOL
There is such a thing as suction, look it up in the dictionary. Non technical term for the same thing.