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← ScienceWhich mechanism maintains orbital equilibrium when a satellite's velocity decreases?
A)Increased gravitational potential lowers altitude✓
B)Momentum increase boosts satellite outward
C)Centrifugal force opposes reduced velocity
D)Mass-energy conversion halts orbital decay
💡 Explanation
Reduced velocity lessens the centrifugal force causing altitude decrease due gravitational attraction, and it reduces gravitational potential energy. The **equivalence principle** links inertia to gravity because satellites fall inward reducing potential, therefore compensating for velocity rather than maintaining stable altitude with fixed values.
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