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← ScienceWhich mechanism causes tidal forces near black holes?
A)Spacetime's differential gravitational curvature✓
B)Hawking radiation quantum entanglement
C)Event horizon thermodynamic equilibrium
D)Accretion disk magnetohydrodynamic instability
💡 Explanation
Tidal forces arise from the varying gravitational field, caused by spacetime's differential gravitational curvature. This stretches objects radially and compresses them tangentially because the gravitational force changes significantly over short distances, rather than other astrophysical sources.
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