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Tidal forces near black holes can tear objects apart from "summary" of The Science of Interstellar by Kip Thorne
When an object gets close to a black hole, tidal forces - the gravitational forces that stretch and squeeze the object - become overpowering. These tidal forces grow stronger as the object nears the black hole, causing the object to elongate like a rubber band being pulled. If the object gets too close, the tidal forces can become so extreme that they tear the object apart. This phenomenon is known as "spaghettification," where the object is stretched into a long, thin shape resembling a strand of spaghetti. As the object is stretched, the forces exerted on different parts of the object can be vastly different. For example, if a spacecraft were to approach a black hole, the side of the spacecraft closest to the black hole would experience stronger tidal forces than the side farther away. This difference...
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