query: Why is pressure over the wing lesser than the pressure on the bottom?
positive_passages.docid: 26156
positive_passages.text: What really allows airplanes to fly?
negative_passages.docid: 158332
negative_passages.text: How can we show that pressure is exerted sideways too?
negative_passages.docid: 15768
negative_passages.text: Why does subsurf modifier cause weird deformation at the end of a cylinder?
negative_passages.docid: 55934
negative_passages.text: Relation between water flow and pressure
negative_passages.docid: 105957
negative_passages.text: Why does normal force work?
negative_passages.docid: 138098
negative_passages.text: Why does the wind direction vary locally?
negative_passages.docid: 151973
negative_passages.text: Why do heavier objects fall faster on hills but not in straight drops?
negative_passages.docid: 42722
negative_passages.text: Pressure difference along horizontal in accelerated fluids
negative_passages.docid: 104907
negative_passages.text: Why is the direction of net force on an object and the direction of acceleration of that object different in this problem?
negative_passages.docid: 132969
negative_passages.text: When Bottom Navigation Isn't Best
negative_passages.docid: 15980
negative_passages.text: Hydrostatic pressure - doesn't density vary with depth?
negative_passages.docid: 1721
negative_passages.text: How to explain the force applied on this object?
negative_passages.docid: 106105
negative_passages.text: Why does the weighing balance restore when tilted and released
negative_passages.docid: 144778
negative_passages.text: Is there difference in force when the height increases?
negative_passages.docid: 60730
negative_passages.text: Why is air not sucked off the Earth?
negative_passages.docid: 23613
negative_passages.text: Why is pressure in a liquid the same in all directions?
negative_passages.docid: 46509
negative_passages.text: Energy level below ground state