If a long flat object was brought into space, wouldn't it not be flat anymore because the Earth is round?

Or vise versa, if a long flat object was made in space, and then brought down to Earth, wouldn't it not look flat on Earth and come off the ground the way a ruler does when you put it on a basketball? Does that mean that nothing ';flat'; on Earth is flat, and truly flat objects wouldn't look flat on Earth?If a long flat object was brought into space, wouldn't it not be flat anymore because the Earth is round?
Flat is flat.





The shape of the earth has nothing to do with the flatness of an object.





The only change in flatness of a flat object in space brought to earth would be from resisting the gravitational field of the earth, and even that depends on how it's supported. If the support is at each end, it will become concave on the side away from the center of the earth. If supported in the middle, it will become concave on the side toward the earth.

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