Countering Gravity

Gravity is not the only force. There are other forces, too. Multiple forces can simultaneously affect a single object. Forces can counteract gravity, making an object move against the direction of gravity. Such facts do not disprove gravity.

Flat-Earthers take the fact there are objects that move against the direction of gravity as ‘evidence’ of the non-existence of gravity. They are wrong. There are forces other than gravity affecting the object, having the opposite direction from gravity, with at least the same magnitude.

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Flight Altitude and Sphericity of the Earth

So, there was a flat-earther who took a spirit level on a flight. His intention was to determine whether the plane periodically adjust its angle in order to make it level in relation to the surface of the Earth. According to him, if the Earth were really spherical, then the plane would need to make these periodic adjustments; otherwise it would fly away straight into space!

His video became viral, and predictably, the plane did not make these periodic adjustments. The conclusion, surely, is not that the Earth is flat. The following are some explanations why the plane doesn’t have to make those periodic adjustments, and still reaches its destination.

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