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← ScienceWhich consequence arises when a rocket's thrust perfectly counteracts gravity?
A)Constant gravitational acceleration is still sensed
B)The equivalence principle affects navigation✓
C)Rocket speed increases uncontrollably upwards
D)Fuel is consumed at minimum rate
💡 Explanation
A perfectly balanced thrust leads to experiencing conditions emulating weightlessness, explained by the equivalence principle, because gravitational and inertial forces become indistinguishable by local experiments. Therefore, inertial guidance systems need continuous recalibration, rather than behaving predictably as in stable gravity.
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