Why doesn't the huge gravitational force of the earth pull everything towards it? How are the aeroplanes able to fly? Surely their force is not greater than the force of the earth.
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First thing that earth's gravity is not that "huge", if it would be, it would be impossible to walk or our bodies will not be able to survive and a lot of factors are included. Or we might say, it's just a nature's blessing that the earth's gravity is just normal for us to live. While on other planets of the solar system, like jupiter, having a huge mass; having about 25m/s² much gravity and thus mass is directly related to gravitational force, it's not possible us to walk there neither to live there.
In the case of airplanes, it's quite simple. The airplanes are given that much force to fly and oppose the gravity as much as the gravity attracts us.
In the case of airplanes, it's quite simple. The airplanes are given that much force to fly and oppose the gravity as much as the gravity attracts us.
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