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← ScienceWhich effect occurs for an accelerometer held at constant altitude?
A)It detects non-zero acceleration.✓
B)Coriolis force becomes magnified.
C)Centrifugal forces are neutralized.
D)Measured gravity decreases linearly.
💡 Explanation
The accelerometer registers nonzero acceleration due to the equivalence principle, because gravitational force is equivalent to inertial force. Therefore, it reads local gravitation, rather than zero, implying free fall, because of no mechanical support.
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